20045688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 35112072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1367, 1833, 2444, 2734, 3666, 4101, 4888, 5468, 7332, 8202, 10936, 14664, 16404, 17771, 32808, 35542, 53313, 64249, 71084, 106626, 128498, 142168, 192747, 213252, 256996, 385494, 426504, 513992, 770988, 835237, 1541976, 1670474, 2505711, 3340948, 5011422, 6681896, 10022844, 20045688]

約数ペア:

[(1, 20045688), (2, 10022844), (3, 6681896), (4, 5011422), (6, 3340948), (8, 2505711), (12, 1670474), (13, 1541976), (24, 835237), (26, 770988), (39, 513992), (47, 426504), (52, 385494), (78, 256996), (94, 213252), (104, 192747), (141, 142168), (156, 128498), (188, 106626), (282, 71084), (312, 64249), (376, 53313), (564, 35542), (611, 32808), (1128, 17771), (1222, 16404), (1367, 14664), (1833, 10936), (2444, 8202), (2734, 7332), (3666, 5468), (4101, 4888)]