20835660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 60867072

約数和(自身を除く): 40031412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 71, 73, 134, 142, 146, 201, 213, 219, 268, 284, 292, 335, 355, 365, 402, 426, 438, 670, 710, 730, 804, 852, 876, 1005, 1065, 1095, 1340, 1420, 1460, 2010, 2130, 2190, 4020, 4260, 4380, 4757, 4891, 5183, 9514, 9782, 10366, 14271, 14673, 15549, 19028, 19564, 20732, 23785, 24455, 25915, 28542, 29346, 31098, 47570, 48910, 51830, 57084, 58692, 62196, 71355, 73365, 77745, 95140, 97820, 103660, 142710, 146730, 155490, 285420, 293460, 310980, 347261, 694522, 1041783, 1389044, 1736305, 2083566, 3472610, 4167132, 5208915, 6945220, 10417830, 20835660]

約数ペア:

[(1, 20835660), (2, 10417830), (3, 6945220), (4, 5208915), (5, 4167132), (6, 3472610), (10, 2083566), (12, 1736305), (15, 1389044), (20, 1041783), (30, 694522), (60, 347261), (67, 310980), (71, 293460), (73, 285420), (134, 155490), (142, 146730), (146, 142710), (201, 103660), (213, 97820), (219, 95140), (268, 77745), (284, 73365), (292, 71355), (335, 62196), (355, 58692), (365, 57084), (402, 51830), (426, 48910), (438, 47570), (670, 31098), (710, 29346), (730, 28542), (804, 25915), (852, 24455), (876, 23785), (1005, 20732), (1065, 19564), (1095, 19028), (1340, 15549), (1420, 14673), (1460, 14271), (2010, 10366), (2130, 9782), (2190, 9514), (4020, 5183), (4260, 4891), (4380, 4757)]