242100020

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{36571}}^1$

素因数の和:36911

約数の個数: 24

約数和(自身を含む): 509959968

約数和(自身を除く): 267859948

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 36571, 73142, 146284, 182855, 365710, 731420, 12105001, 24210002, 48420004, 60525005, 121050010, 242100020]

約数ペア:

[(1, 242100020), (2, 121050010), (4, 60525005), (5, 48420004), (10, 24210002), (20, 12105001), (331, 731420), (662, 365710), (1324, 182855), (1655, 146284), (3310, 73142), (6620, 36571)]