126462020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{203971}}^1$

素因数の和:204011

約数の個数: 24

約数和(自身を含む): 274138368

約数和(自身を除く): 147676348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 203971, 407942, 815884, 1019855, 2039710, 4079420, 6323101, 12646202, 25292404, 31615505, 63231010, 126462020]

約数ペア:

[(1, 126462020), (2, 63231010), (4, 31615505), (5, 25292404), (10, 12646202), (20, 6323101), (31, 4079420), (62, 2039710), (124, 1019855), (155, 815884), (310, 407942), (620, 203971)]