20490510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11197}}^1$

素因数の和:11268

約数の個数: 32

約数和(自身を含む): 49987872

約数和(自身を除く): 29497362

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11197, 22394, 33591, 55985, 67182, 111970, 167955, 335910, 683017, 1366034, 2049051, 3415085, 4098102, 6830170, 10245255, 20490510]

約数ペア:

[(1, 20490510), (2, 10245255), (3, 6830170), (5, 4098102), (6, 3415085), (10, 2049051), (15, 1366034), (30, 683017), (61, 335910), (122, 167955), (183, 111970), (305, 67182), (366, 55985), (610, 33591), (915, 22394), (1830, 11197)]