20210635760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{2791}}^1$

素因数の和:3071

約数の個数: 160

約数和(自身を含む): 54806111232

約数和(自身を除く): 34595475472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 193, 268, 280, 335, 386, 469, 536, 560, 670, 772, 938, 965, 1072, 1340, 1351, 1544, 1876, 1930, 2345, 2680, 2702, 2791, 3088, 3752, 3860, 4690, 5360, 5404, 5582, 6755, 7504, 7720, 9380, 10808, 11164, 12931, 13510, 13955, 15440, 18760, 19537, 21616, 22328, 25862, 27020, 27910, 37520, 39074, 44656, 51724, 54040, 55820, 64655, 78148, 90517, 97685, 103448, 108080, 111640, 129310, 156296, 181034, 186997, 195370, 206896, 223280, 258620, 312592, 362068, 373994, 390740, 452585, 517240, 538663, 724136, 747988, 781480, 905170, 934985, 1034480, 1077326, 1308979, 1448272, 1495976, 1562960, 1810340, 1869970, 2154652, 2617958, 2693315, 2991952, 3620680, 3739940, 3770641, 4309304, 5235916, 5386630, 6544895, 7241360, 7479880, 7541282, 8618608, 10471832, 10773260, 13089790, 14959760, 15082564, 18853205, 20943664, 21546520, 26179580, 30165128, 36090421, 37706410, 43093040, 52359160, 60330256, 72180842, 75412820, 104718320, 144361684, 150825640, 180452105, 252632947, 288723368, 301651280, 360904210, 505265894, 577446736, 721808420, 1010531788, 1263164735, 1443616840, 2021063576, 2526329470, 2887233680, 4042127152, 5052658940, 10105317880, 20210635760]

約数ペア:

[(1, 20210635760), (2, 10105317880), (4, 5052658940), (5, 4042127152), (7, 2887233680), (8, 2526329470), (10, 2021063576), (14, 1443616840), (16, 1263164735), (20, 1010531788), (28, 721808420), (35, 577446736), (40, 505265894), (56, 360904210), (67, 301651280), (70, 288723368), (80, 252632947), (112, 180452105), (134, 150825640), (140, 144361684), (193, 104718320), (268, 75412820), (280, 72180842), (335, 60330256), (386, 52359160), (469, 43093040), (536, 37706410), (560, 36090421), (670, 30165128), (772, 26179580), (938, 21546520), (965, 20943664), (1072, 18853205), (1340, 15082564), (1351, 14959760), (1544, 13089790), (1876, 10773260), (1930, 10471832), (2345, 8618608), (2680, 7541282), (2702, 7479880), (2791, 7241360), (3088, 6544895), (3752, 5386630), (3860, 5235916), (4690, 4309304), (5360, 3770641), (5404, 3739940), (5582, 3620680), (6755, 2991952), (7504, 2693315), (7720, 2617958), (9380, 2154652), (10808, 1869970), (11164, 1810340), (12931, 1562960), (13510, 1495976), (13955, 1448272), (15440, 1308979), (18760, 1077326), (19537, 1034480), (21616, 934985), (22328, 905170), (25862, 781480), (27020, 747988), (27910, 724136), (37520, 538663), (39074, 517240), (44656, 452585), (51724, 390740), (54040, 373994), (55820, 362068), (64655, 312592), (78148, 258620), (90517, 223280), (97685, 206896), (103448, 195370), (108080, 186997), (111640, 181034), (129310, 156296)]