20399296

素因数分解:

$2^6\times {\mathrm{29}}^2\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 42

約数和(自身を含む): 42034460

約数和(自身を除く): 21635164

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 379, 464, 758, 841, 928, 1516, 1682, 1856, 3032, 3364, 6064, 6728, 10991, 12128, 13456, 21982, 24256, 26912, 43964, 53824, 87928, 175856, 318739, 351712, 637478, 703424, 1274956, 2549912, 5099824, 10199648, 20399296]

約数ペア:

[(1, 20399296), (2, 10199648), (4, 5099824), (8, 2549912), (16, 1274956), (29, 703424), (32, 637478), (58, 351712), (64, 318739), (116, 175856), (232, 87928), (379, 53824), (464, 43964), (758, 26912), (841, 24256), (928, 21982), (1516, 13456), (1682, 12128), (1856, 10991), (3032, 6728), (3364, 6064)]