20845060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 47631024

約数和(自身を除く): 26785964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1657, 2516, 3145, 3314, 6290, 6628, 8285, 12580, 16570, 28169, 33140, 56338, 61309, 112676, 122618, 140845, 245236, 281690, 306545, 563380, 613090, 1042253, 1226180, 2084506, 4169012, 5211265, 10422530, 20845060]

約数ペア:

[(1, 20845060), (2, 10422530), (4, 5211265), (5, 4169012), (10, 2084506), (17, 1226180), (20, 1042253), (34, 613090), (37, 563380), (68, 306545), (74, 281690), (85, 245236), (148, 140845), (170, 122618), (185, 112676), (340, 61309), (370, 56338), (629, 33140), (740, 28169), (1258, 16570), (1657, 12580), (2516, 8285), (3145, 6628), (3314, 6290)]