20120853886

素因数分解:

$2^1\times 7^1\times {\mathrm{128173}}^1\times {\mathrm{11213}}^1$

素因数の和:139395

約数の個数: 16

約数和(自身を含む): 34496237664

約数和(自身を除く): 14375383778

約数列:

[1, 2, 7, 14, 11213, 22426, 78491, 128173, 156982, 256346, 897211, 1794422, 1437203849, 2874407698, 10060426943, 20120853886]

約数ペア:

[(1, 20120853886), (2, 10060426943), (7, 2874407698), (14, 1437203849), (11213, 1794422), (22426, 897211), (78491, 256346), (128173, 156982)]