20520574

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 12968066

約数列:

[1, 2, 29, 31, 58, 62, 101, 113, 202, 226, 899, 1798, 2929, 3131, 3277, 3503, 5858, 6262, 6554, 7006, 11413, 22826, 90799, 101587, 181598, 203174, 330977, 353803, 661954, 707606, 10260287, 20520574]

約数ペア:

[(1, 20520574), (2, 10260287), (29, 707606), (31, 661954), (58, 353803), (62, 330977), (101, 203174), (113, 181598), (202, 101587), (226, 90799), (899, 22826), (1798, 11413), (2929, 7006), (3131, 6554), (3277, 6262), (3503, 5858)]