20525392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1363

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 22329008

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1279, 2006, 2558, 4012, 5116, 8024, 10232, 16048, 20464, 21743, 43486, 75461, 86972, 150922, 173944, 301844, 347888, 603688, 1207376, 1282837, 2565674, 5131348, 10262696, 20525392]

約数ペア:

[(1, 20525392), (2, 10262696), (4, 5131348), (8, 2565674), (16, 1282837), (17, 1207376), (34, 603688), (59, 347888), (68, 301844), (118, 173944), (136, 150922), (236, 86972), (272, 75461), (472, 43486), (944, 21743), (1003, 20464), (1279, 16048), (2006, 10232), (2558, 8024), (4012, 5116)]