20320796

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 36242640

約数和(自身を除く): 15921844

約数列:

[1, 2, 4, 101, 179, 202, 281, 358, 404, 562, 716, 1124, 18079, 28381, 36158, 50299, 56762, 72316, 100598, 113524, 201196, 5080199, 10160398, 20320796]

約数ペア:

[(1, 20320796), (2, 10160398), (4, 5080199), (101, 201196), (179, 113524), (202, 100598), (281, 72316), (358, 56762), (404, 50299), (562, 36158), (716, 28381), (1124, 18079)]