20871302

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1603

約数の個数: 16

約数和(自身を含む): 32078592

約数和(自身を除く): 11207290

約数列:

[1, 2, 71, 103, 142, 206, 1427, 2854, 7313, 14626, 101317, 146981, 202634, 293962, 10435651, 20871302]

約数ペア:

[(1, 20871302), (2, 10435651), (71, 293962), (103, 202634), (142, 146981), (206, 101317), (1427, 14626), (2854, 7313)]