20266980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2267}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 36886620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2235, 2267, 2980, 4470, 4534, 6801, 8940, 9068, 11335, 13602, 22670, 27204, 34005, 45340, 68010, 136020, 337783, 675566, 1013349, 1351132, 1688915, 2026698, 3377830, 4053396, 5066745, 6755660, 10133490, 20266980]

約数ペア:

[(1, 20266980), (2, 10133490), (3, 6755660), (4, 5066745), (5, 4053396), (6, 3377830), (10, 2026698), (12, 1688915), (15, 1351132), (20, 1013349), (30, 675566), (60, 337783), (149, 136020), (298, 68010), (447, 45340), (596, 34005), (745, 27204), (894, 22670), (1490, 13602), (1788, 11335), (2235, 9068), (2267, 8940), (2980, 6801), (4470, 4534)]