20651549

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2158051

約数列:

[1, 17, 31, 149, 263, 527, 2533, 4471, 4619, 8153, 39187, 78523, 138601, 666179, 1214797, 20651549]

約数ペア:

[(1, 20651549), (17, 1214797), (31, 666179), (149, 138601), (263, 78523), (527, 39187), (2533, 8153), (4471, 4619)]