20011710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1031}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 48148992

約数和(自身を除く): 28137282

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 647, 1031, 1294, 1941, 2062, 3093, 3235, 3882, 5155, 6186, 6470, 9705, 10310, 15465, 19410, 30930, 667057, 1334114, 2001171, 3335285, 4002342, 6670570, 10005855, 20011710]

約数ペア:

[(1, 20011710), (2, 10005855), (3, 6670570), (5, 4002342), (6, 3335285), (10, 2001171), (15, 1334114), (30, 667057), (647, 30930), (1031, 19410), (1294, 15465), (1941, 10310), (2062, 9705), (3093, 6470), (3235, 6186), (3882, 5155)]