20681799236

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1\times {\mathrm{13997}}^1$

素因数の和:14588

約数の個数: 48

約数和(自身を含む): 41821992576

約数和(自身を除く): 21140193340

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 467, 791, 934, 1582, 1868, 3164, 3269, 6538, 13076, 13997, 27994, 52771, 55988, 97979, 105542, 195958, 211084, 369397, 391916, 738794, 1477588, 1581661, 3163322, 6326644, 6536599, 11071627, 13073198, 22143254, 26146396, 44286508, 45756193, 91512386, 183024772, 738635687, 1477271374, 2954542748, 5170449809, 10340899618, 20681799236]

約数ペア:

[(1, 20681799236), (2, 10340899618), (4, 5170449809), (7, 2954542748), (14, 1477271374), (28, 738635687), (113, 183024772), (226, 91512386), (452, 45756193), (467, 44286508), (791, 26146396), (934, 22143254), (1582, 13073198), (1868, 11071627), (3164, 6536599), (3269, 6326644), (6538, 3163322), (13076, 1581661), (13997, 1477588), (27994, 738794), (52771, 391916), (55988, 369397), (97979, 211084), (105542, 195958)]