20088436

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 35920640

約数和(自身を除く): 15832204

約数列:

[1, 2, 4, 79, 151, 158, 302, 316, 421, 604, 842, 1684, 11929, 23858, 33259, 47716, 63571, 66518, 127142, 133036, 254284, 5022109, 10044218, 20088436]

約数ペア:

[(1, 20088436), (2, 10044218), (4, 5022109), (79, 254284), (151, 133036), (158, 127142), (302, 66518), (316, 63571), (421, 47716), (604, 33259), (842, 23858), (1684, 11929)]