20023216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 40

約数和(自身を含む): 40287600

約数和(自身を除く): 20264384

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 149, 227, 296, 298, 454, 592, 596, 908, 1192, 1816, 2384, 3632, 5513, 8399, 11026, 16798, 22052, 33596, 33823, 44104, 67192, 67646, 88208, 134384, 135292, 270584, 541168, 1251451, 2502902, 5005804, 10011608, 20023216]

約数ペア:

[(1, 20023216), (2, 10011608), (4, 5005804), (8, 2502902), (16, 1251451), (37, 541168), (74, 270584), (148, 135292), (149, 134384), (227, 88208), (296, 67646), (298, 67192), (454, 44104), (592, 33823), (596, 33596), (908, 22052), (1192, 16798), (1816, 11026), (2384, 8399), (3632, 5513)]