20263649

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 23801472

約数和(自身を除く): 3537823

約数列:

[1, 7, 53, 193, 283, 371, 1351, 1981, 10229, 14999, 54619, 71603, 104993, 382333, 2894807, 20263649]

約数ペア:

[(1, 20263649), (7, 2894807), (53, 382333), (193, 104993), (283, 71603), (371, 54619), (1351, 14999), (1981, 10229)]