20341890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 96

約数和(自身を含む): 57148416

約数和(自身を除く): 36806526

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 90, 93, 115, 138, 155, 186, 207, 230, 279, 310, 317, 345, 414, 465, 558, 634, 690, 713, 930, 951, 1035, 1395, 1426, 1585, 1902, 2070, 2139, 2790, 2853, 3170, 3565, 4278, 4755, 5706, 6417, 7130, 7291, 9510, 9827, 10695, 12834, 14265, 14582, 19654, 21390, 21873, 28530, 29481, 32085, 36455, 43746, 49135, 58962, 64170, 65619, 72910, 88443, 98270, 109365, 131238, 147405, 176886, 218730, 226021, 294810, 328095, 442215, 452042, 656190, 678063, 884430, 1130105, 1356126, 2034189, 2260210, 3390315, 4068378, 6780630, 10170945, 20341890]

約数ペア:

[(1, 20341890), (2, 10170945), (3, 6780630), (5, 4068378), (6, 3390315), (9, 2260210), (10, 2034189), (15, 1356126), (18, 1130105), (23, 884430), (30, 678063), (31, 656190), (45, 452042), (46, 442215), (62, 328095), (69, 294810), (90, 226021), (93, 218730), (115, 176886), (138, 147405), (155, 131238), (186, 109365), (207, 98270), (230, 88443), (279, 72910), (310, 65619), (317, 64170), (345, 58962), (414, 49135), (465, 43746), (558, 36455), (634, 32085), (690, 29481), (713, 28530), (930, 21873), (951, 21390), (1035, 19654), (1395, 14582), (1426, 14265), (1585, 12834), (1902, 10695), (2070, 9827), (2139, 9510), (2790, 7291), (2853, 7130), (3170, 6417), (3565, 5706), (4278, 4755)]