20312626

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 11378894

約数列:

[1, 2, 31, 62, 139, 278, 2357, 4309, 4714, 8618, 73067, 146134, 327623, 655246, 10156313, 20312626]

約数ペア:

[(1, 20312626), (2, 10156313), (31, 655246), (62, 327623), (139, 146134), (278, 73067), (2357, 8618), (4309, 4714)]