20960056

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 43810200

約数和(自身を除く): 22850144

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 169, 296, 338, 419, 481, 676, 838, 962, 1352, 1676, 1924, 3352, 3848, 5447, 6253, 10894, 12506, 15503, 21788, 25012, 31006, 43576, 50024, 62012, 70811, 124024, 141622, 201539, 283244, 403078, 566488, 806156, 1612312, 2620007, 5240014, 10480028, 20960056]

約数ペア:

[(1, 20960056), (2, 10480028), (4, 5240014), (8, 2620007), (13, 1612312), (26, 806156), (37, 566488), (52, 403078), (74, 283244), (104, 201539), (148, 141622), (169, 124024), (296, 70811), (338, 62012), (419, 50024), (481, 43576), (676, 31006), (838, 25012), (962, 21788), (1352, 15503), (1676, 12506), (1924, 10894), (3352, 6253), (3848, 5447)]