20651230

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17451170

約数列:

[1, 2, 5, 10, 83, 139, 166, 179, 278, 358, 415, 695, 830, 895, 1390, 1790, 11537, 14857, 23074, 24881, 29714, 49762, 57685, 74285, 115370, 124405, 148570, 248810, 2065123, 4130246, 10325615, 20651230]

約数ペア:

[(1, 20651230), (2, 10325615), (5, 4130246), (10, 2065123), (83, 248810), (139, 148570), (166, 124405), (179, 115370), (278, 74285), (358, 57685), (415, 49762), (695, 29714), (830, 24881), (895, 23074), (1390, 14857), (1790, 11537)]