20772232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 25192568

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 379, 403, 442, 527, 758, 806, 884, 1054, 1516, 1612, 1768, 2108, 3032, 3224, 4216, 4927, 6443, 6851, 9854, 11749, 12886, 13702, 19708, 23498, 25772, 27404, 39416, 46996, 51544, 54808, 83759, 93992, 152737, 167518, 199733, 305474, 335036, 399466, 610948, 670072, 798932, 1221896, 1597864, 2596529, 5193058, 10386116, 20772232]

約数ペア:

[(1, 20772232), (2, 10386116), (4, 5193058), (8, 2596529), (13, 1597864), (17, 1221896), (26, 798932), (31, 670072), (34, 610948), (52, 399466), (62, 335036), (68, 305474), (104, 199733), (124, 167518), (136, 152737), (221, 93992), (248, 83759), (379, 54808), (403, 51544), (442, 46996), (527, 39416), (758, 27404), (806, 25772), (884, 23498), (1054, 19708), (1516, 13702), (1612, 12886), (1768, 11749), (2108, 9854), (3032, 6851), (3224, 6443), (4216, 4927)]