20121060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{757}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 56540736

約数和(自身を除く): 36419676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 443, 757, 886, 1329, 1514, 1772, 2215, 2271, 2658, 3028, 3785, 4430, 4542, 5316, 6645, 7570, 8860, 9084, 11355, 13290, 15140, 22710, 26580, 45420, 335351, 670702, 1006053, 1341404, 1676755, 2012106, 3353510, 4024212, 5030265, 6707020, 10060530, 20121060]

約数ペア:

[(1, 20121060), (2, 10060530), (3, 6707020), (4, 5030265), (5, 4024212), (6, 3353510), (10, 2012106), (12, 1676755), (15, 1341404), (20, 1006053), (30, 670702), (60, 335351), (443, 45420), (757, 26580), (886, 22710), (1329, 15140), (1514, 13290), (1772, 11355), (2215, 9084), (2271, 8860), (2658, 7570), (3028, 6645), (3785, 5316), (4430, 4542)]