20848308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 32071692

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1249, 1284, 1391, 2498, 2782, 3747, 4173, 4996, 5564, 7494, 8346, 14988, 16237, 16692, 32474, 48711, 64948, 97422, 133643, 194844, 267286, 400929, 534572, 801858, 1603716, 1737359, 3474718, 5212077, 6949436, 10424154, 20848308]

約数ペア:

[(1, 20848308), (2, 10424154), (3, 6949436), (4, 5212077), (6, 3474718), (12, 1737359), (13, 1603716), (26, 801858), (39, 534572), (52, 400929), (78, 267286), (107, 194844), (156, 133643), (214, 97422), (321, 64948), (428, 48711), (642, 32474), (1249, 16692), (1284, 16237), (1391, 14988), (2498, 8346), (2782, 7494), (3747, 5564), (4173, 4996)]