20630197

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3271}}^1$

素因数の和:3348

約数の個数: 16

約数和(自身を含む): 25443072

約数和(自身を除く): 4812875

約数列:

[1, 7, 17, 53, 119, 371, 901, 3271, 6307, 22897, 55607, 173363, 389249, 1213541, 2947171, 20630197]

約数ペア:

[(1, 20630197), (7, 2947171), (17, 1213541), (53, 389249), (119, 173363), (371, 55607), (901, 22897), (3271, 6307)]