20261410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 41636160

約数和(自身を除く): 21374750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 338, 494, 631, 845, 1235, 1262, 1690, 2470, 3155, 3211, 6310, 6422, 8203, 11989, 16055, 16406, 23978, 32110, 41015, 59945, 82030, 106639, 119890, 155857, 213278, 311714, 533195, 779285, 1066390, 1558570, 2026141, 4052282, 10130705, 20261410]

約数ペア:

[(1, 20261410), (2, 10130705), (5, 4052282), (10, 2026141), (13, 1558570), (19, 1066390), (26, 779285), (38, 533195), (65, 311714), (95, 213278), (130, 155857), (169, 119890), (190, 106639), (247, 82030), (338, 59945), (494, 41015), (631, 32110), (845, 23978), (1235, 16406), (1262, 16055), (1690, 11989), (2470, 8203), (3155, 6422), (3211, 6310)]