20120863784

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1702849}}^1$

素因数の和:1703073

約数の個数: 32

約数和(自身を含む): 43320504000

約数和(自身を除く): 23199640216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2954, 5908, 11816, 1702849, 3405698, 6811396, 11919943, 13622792, 23839886, 47679772, 95359544, 359301139, 718602278, 1437204556, 2515107973, 2874409112, 5030215946, 10060431892, 20120863784]

約数ペア:

[(1, 20120863784), (2, 10060431892), (4, 5030215946), (7, 2874409112), (8, 2515107973), (14, 1437204556), (28, 718602278), (56, 359301139), (211, 95359544), (422, 47679772), (844, 23839886), (1477, 13622792), (1688, 11919943), (2954, 6811396), (5908, 3405698), (11816, 1702849)]