20564130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{685471}}^1$

素因数の和:685481

約数の個数: 16

約数和(自身を含む): 49353984

約数和(自身を除く): 28789854

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 685471, 1370942, 2056413, 3427355, 4112826, 6854710, 10282065, 20564130]

約数ペア:

[(1, 20564130), (2, 10282065), (3, 6854710), (5, 4112826), (6, 3427355), (10, 2056413), (15, 1370942), (30, 685471)]