20864522

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:950

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 16695286

約数列:

[1, 2, 7, 14, 37, 47, 74, 94, 259, 329, 518, 658, 857, 1714, 1739, 3478, 5999, 11998, 12173, 24346, 31709, 40279, 63418, 80558, 221963, 281953, 443926, 563906, 1490323, 2980646, 10432261, 20864522]

約数ペア:

[(1, 20864522), (2, 10432261), (7, 2980646), (14, 1490323), (37, 563906), (47, 443926), (74, 281953), (94, 221963), (259, 80558), (329, 63418), (518, 40279), (658, 31709), (857, 24346), (1714, 12173), (1739, 11998), (3478, 5999)]