20865929280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{2383}}^1$

素因数の和:3713

約数の個数: 224

約数和(自身を含む): 75803418624

約数和(自身を除く): 54937489344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1303, 1344, 1680, 2240, 2383, 2606, 3360, 3909, 4766, 5212, 6515, 6720, 7149, 7818, 9121, 9532, 10424, 11915, 13030, 14298, 15636, 16681, 18242, 19064, 19545, 20848, 23830, 26060, 27363, 28596, 31272, 33362, 35745, 36484, 38128, 39090, 41696, 45605, 47660, 50043, 52120, 54726, 57192, 62544, 66724, 71490, 72968, 76256, 78180, 83392, 83405, 91210, 95320, 100086, 104240, 109452, 114384, 125088, 133448, 136815, 142980, 145936, 152512, 156360, 166810, 182420, 190640, 200172, 208480, 218904, 228768, 250176, 250215, 266896, 273630, 285960, 291872, 312720, 333620, 364840, 381280, 400344, 416960, 437808, 457536, 500430, 533792, 547260, 571920, 583744, 625440, 667240, 729680, 762560, 800688, 875616, 1000860, 1067584, 1094520, 1143840, 1250880, 1334480, 1459360, 1601376, 1751232, 2001720, 2189040, 2287680, 2668960, 2918720, 3105049, 3202752, 4003440, 4378080, 5337920, 6210098, 8006880, 8756160, 9315147, 12420196, 15525245, 16013760, 18630294, 21735343, 24840392, 31050490, 37260588, 43470686, 46575735, 49680784, 62100980, 65206029, 74521176, 86941372, 93151470, 99361568, 108676715, 124201960, 130412058, 149042352, 173882744, 186302940, 198723136, 217353430, 248403920, 260824116, 298084704, 326030145, 347765488, 372605880, 434706860, 496807840, 521648232, 596169408, 652060290, 695530976, 745211760, 869413720, 993615680, 1043296464, 1304120580, 1391061952, 1490423520, 1738827440, 2086592928, 2608241160, 2980847040, 3477654880, 4173185856, 5216482320, 6955309760, 10432964640, 20865929280]

約数ペア:

[(1, 20865929280), (2, 10432964640), (3, 6955309760), (4, 5216482320), (5, 4173185856), (6, 3477654880), (7, 2980847040), (8, 2608241160), (10, 2086592928), (12, 1738827440), (14, 1490423520), (15, 1391061952), (16, 1304120580), (20, 1043296464), (21, 993615680), (24, 869413720), (28, 745211760), (30, 695530976), (32, 652060290), (35, 596169408), (40, 521648232), (42, 496807840), (48, 434706860), (56, 372605880), (60, 347765488), (64, 326030145), (70, 298084704), (80, 260824116), (84, 248403920), (96, 217353430), (105, 198723136), (112, 186302940), (120, 173882744), (140, 149042352), (160, 130412058), (168, 124201960), (192, 108676715), (210, 99361568), (224, 93151470), (240, 86941372), (280, 74521176), (320, 65206029), (336, 62100980), (420, 49680784), (448, 46575735), (480, 43470686), (560, 37260588), (672, 31050490), (840, 24840392), (960, 21735343), (1120, 18630294), (1303, 16013760), (1344, 15525245), (1680, 12420196), (2240, 9315147), (2383, 8756160), (2606, 8006880), (3360, 6210098), (3909, 5337920), (4766, 4378080), (5212, 4003440), (6515, 3202752), (6720, 3105049), (7149, 2918720), (7818, 2668960), (9121, 2287680), (9532, 2189040), (10424, 2001720), (11915, 1751232), (13030, 1601376), (14298, 1459360), (15636, 1334480), (16681, 1250880), (18242, 1143840), (19064, 1094520), (19545, 1067584), (20848, 1000860), (23830, 875616), (26060, 800688), (27363, 762560), (28596, 729680), (31272, 667240), (33362, 625440), (35745, 583744), (36484, 571920), (38128, 547260), (39090, 533792), (41696, 500430), (45605, 457536), (47660, 437808), (50043, 416960), (52120, 400344), (54726, 381280), (57192, 364840), (62544, 333620), (66724, 312720), (71490, 291872), (72968, 285960), (76256, 273630), (78180, 266896), (83392, 250215), (83405, 250176), (91210, 228768), (95320, 218904), (100086, 208480), (104240, 200172), (109452, 190640), (114384, 182420), (125088, 166810), (133448, 156360), (136815, 152512), (142980, 145936)]