20059408075

素因数分解:

$5^2\times 7^2\times {\mathrm{2111}}^1\times {\mathrm{7757}}^1$

素因数の和:9892

約数の個数: 36

約数和(自身を含む): 28952111232

約数和(自身を除く): 8892703157

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 2111, 7757, 10555, 14777, 38785, 52775, 54299, 73885, 103439, 193925, 271495, 369425, 380093, 517195, 1357475, 1900465, 2585975, 9502325, 16375027, 81875135, 114625189, 409375675, 573125945, 802376323, 2865629725, 4011881615, 20059408075]

約数ペア:

[(1, 20059408075), (5, 4011881615), (7, 2865629725), (25, 802376323), (35, 573125945), (49, 409375675), (175, 114625189), (245, 81875135), (1225, 16375027), (2111, 9502325), (7757, 2585975), (10555, 1900465), (14777, 1357475), (38785, 517195), (52775, 380093), (54299, 369425), (73885, 271495), (103439, 193925)]