20206870320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71171}}^1$

素因数の和:71220

約数の個数: 240

約数和(自身を含む): 77521681152

約数和(自身を除く): 57314810832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 169, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 338, 364, 390, 420, 455, 507, 520, 546, 560, 624, 676, 728, 780, 840, 845, 910, 1014, 1040, 1092, 1183, 1352, 1365, 1456, 1560, 1680, 1690, 1820, 2028, 2184, 2366, 2535, 2704, 2730, 3120, 3380, 3549, 3640, 4056, 4368, 4732, 5070, 5460, 5915, 6760, 7098, 7280, 8112, 9464, 10140, 10920, 11830, 13520, 14196, 17745, 18928, 20280, 21840, 23660, 28392, 35490, 40560, 47320, 56784, 70980, 71171, 94640, 141960, 142342, 213513, 283920, 284684, 355855, 427026, 498197, 569368, 711710, 854052, 925223, 996394, 1067565, 1138736, 1423420, 1494591, 1708104, 1850446, 1992788, 2135130, 2490985, 2775669, 2846840, 2989182, 3416208, 3700892, 3985576, 4270260, 4626115, 4981970, 5551338, 5693680, 5978364, 6476561, 7401784, 7472955, 7971152, 8540520, 9252230, 9963940, 11102676, 11956728, 12027899, 12953122, 13878345, 14803568, 14945910, 17081040, 18504460, 19429683, 19927880, 22205352, 23913456, 24055798, 25906244, 27756690, 29891820, 32382805, 36083697, 37008920, 38859366, 39855760, 44410704, 48111596, 51812488, 55513380, 59783640, 60139495, 64765610, 72167394, 74017840, 77718732, 84195293, 96223192, 97148415, 103624976, 111026760, 119567280, 120278990, 129531220, 144334788, 155437464, 168390586, 180418485, 192446384, 194296830, 222053520, 240557980, 252585879, 259062440, 288669576, 310874928, 336781172, 360836970, 388593660, 420976465, 481115960, 505171758, 518124880, 577339152, 673562344, 721673940, 777187320, 841952930, 962231920, 1010343516, 1262929395, 1347124688, 1443347880, 1554374640, 1683905860, 2020687032, 2525858790, 2886695760, 3367811720, 4041374064, 5051717580, 6735623440, 10103435160, 20206870320]

約数ペア:

[(1, 20206870320), (2, 10103435160), (3, 6735623440), (4, 5051717580), (5, 4041374064), (6, 3367811720), (7, 2886695760), (8, 2525858790), (10, 2020687032), (12, 1683905860), (13, 1554374640), (14, 1443347880), (15, 1347124688), (16, 1262929395), (20, 1010343516), (21, 962231920), (24, 841952930), (26, 777187320), (28, 721673940), (30, 673562344), (35, 577339152), (39, 518124880), (40, 505171758), (42, 481115960), (48, 420976465), (52, 388593660), (56, 360836970), (60, 336781172), (65, 310874928), (70, 288669576), (78, 259062440), (80, 252585879), (84, 240557980), (91, 222053520), (104, 194296830), (105, 192446384), (112, 180418485), (120, 168390586), (130, 155437464), (140, 144334788), (156, 129531220), (168, 120278990), (169, 119567280), (182, 111026760), (195, 103624976), (208, 97148415), (210, 96223192), (240, 84195293), (260, 77718732), (273, 74017840), (280, 72167394), (312, 64765610), (336, 60139495), (338, 59783640), (364, 55513380), (390, 51812488), (420, 48111596), (455, 44410704), (507, 39855760), (520, 38859366), (546, 37008920), (560, 36083697), (624, 32382805), (676, 29891820), (728, 27756690), (780, 25906244), (840, 24055798), (845, 23913456), (910, 22205352), (1014, 19927880), (1040, 19429683), (1092, 18504460), (1183, 17081040), (1352, 14945910), (1365, 14803568), (1456, 13878345), (1560, 12953122), (1680, 12027899), (1690, 11956728), (1820, 11102676), (2028, 9963940), (2184, 9252230), (2366, 8540520), (2535, 7971152), (2704, 7472955), (2730, 7401784), (3120, 6476561), (3380, 5978364), (3549, 5693680), (3640, 5551338), (4056, 4981970), (4368, 4626115), (4732, 4270260), (5070, 3985576), (5460, 3700892), (5915, 3416208), (6760, 2989182), (7098, 2846840), (7280, 2775669), (8112, 2490985), (9464, 2135130), (10140, 1992788), (10920, 1850446), (11830, 1708104), (13520, 1494591), (14196, 1423420), (17745, 1138736), (18928, 1067565), (20280, 996394), (21840, 925223), (23660, 854052), (28392, 711710), (35490, 569368), (40560, 498197), (47320, 427026), (56784, 355855), (70980, 284684), (71171, 283920), (94640, 213513), (141960, 142342)]