20185339720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{2617}}^1$

素因数の和:2824

約数の個数: 192

約数和(自身を含む): 56571419520

約数和(自身を除く): 36386079800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 163, 169, 182, 260, 280, 326, 338, 364, 455, 520, 652, 676, 728, 815, 845, 910, 1141, 1183, 1304, 1352, 1630, 1690, 1820, 2119, 2282, 2366, 2617, 3260, 3380, 3640, 4238, 4564, 4732, 5234, 5705, 5915, 6520, 6760, 8476, 9128, 9464, 10468, 10595, 11410, 11830, 13085, 14833, 16952, 18319, 20936, 21190, 22820, 23660, 26170, 27547, 29666, 34021, 36638, 42380, 45640, 47320, 52340, 55094, 59332, 68042, 73276, 74165, 84760, 91595, 104680, 110188, 118664, 136084, 137735, 146552, 148330, 170105, 183190, 192829, 220376, 238147, 272168, 275470, 296660, 340210, 366380, 385658, 426571, 442273, 476294, 550940, 593320, 680420, 732760, 771316, 853142, 884546, 952588, 964145, 1101880, 1190735, 1360840, 1542632, 1706284, 1769092, 1905176, 1928290, 2132855, 2211365, 2381470, 2985997, 3095911, 3412568, 3538184, 3856580, 4265710, 4422730, 4762940, 5545423, 5971994, 6191822, 7713160, 8531420, 8845460, 9525880, 11090846, 11943988, 12383644, 14929985, 15479555, 17062840, 17690920, 22181692, 23887976, 24767288, 27727115, 29859970, 30959110, 38817961, 44363384, 55454230, 59719940, 61918220, 72090499, 77635922, 110908460, 119439880, 123836440, 144180998, 155271844, 194089805, 221816920, 288361996, 310543688, 360452495, 388179610, 504633493, 576723992, 720904990, 776359220, 1009266986, 1441809980, 1552718440, 2018533972, 2523167465, 2883619960, 4037067944, 5046334930, 10092669860, 20185339720]

約数ペア:

[(1, 20185339720), (2, 10092669860), (4, 5046334930), (5, 4037067944), (7, 2883619960), (8, 2523167465), (10, 2018533972), (13, 1552718440), (14, 1441809980), (20, 1009266986), (26, 776359220), (28, 720904990), (35, 576723992), (40, 504633493), (52, 388179610), (56, 360452495), (65, 310543688), (70, 288361996), (91, 221816920), (104, 194089805), (130, 155271844), (140, 144180998), (163, 123836440), (169, 119439880), (182, 110908460), (260, 77635922), (280, 72090499), (326, 61918220), (338, 59719940), (364, 55454230), (455, 44363384), (520, 38817961), (652, 30959110), (676, 29859970), (728, 27727115), (815, 24767288), (845, 23887976), (910, 22181692), (1141, 17690920), (1183, 17062840), (1304, 15479555), (1352, 14929985), (1630, 12383644), (1690, 11943988), (1820, 11090846), (2119, 9525880), (2282, 8845460), (2366, 8531420), (2617, 7713160), (3260, 6191822), (3380, 5971994), (3640, 5545423), (4238, 4762940), (4564, 4422730), (4732, 4265710), (5234, 3856580), (5705, 3538184), (5915, 3412568), (6520, 3095911), (6760, 2985997), (8476, 2381470), (9128, 2211365), (9464, 2132855), (10468, 1928290), (10595, 1905176), (11410, 1769092), (11830, 1706284), (13085, 1542632), (14833, 1360840), (16952, 1190735), (18319, 1101880), (20936, 964145), (21190, 952588), (22820, 884546), (23660, 853142), (26170, 771316), (27547, 732760), (29666, 680420), (34021, 593320), (36638, 550940), (42380, 476294), (45640, 442273), (47320, 426571), (52340, 385658), (55094, 366380), (59332, 340210), (68042, 296660), (73276, 275470), (74165, 272168), (84760, 238147), (91595, 220376), (104680, 192829), (110188, 183190), (118664, 170105), (136084, 148330), (137735, 146552)]