20889848

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1601}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 44984160

約数和(自身を除く): 24094312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 466, 932, 1601, 1631, 1864, 3202, 3262, 6404, 6524, 11207, 12808, 13048, 22414, 44828, 89656, 373033, 746066, 1492132, 2611231, 2984264, 5222462, 10444924, 20889848]

約数ペア:

[(1, 20889848), (2, 10444924), (4, 5222462), (7, 2984264), (8, 2611231), (14, 1492132), (28, 746066), (56, 373033), (233, 89656), (466, 44828), (932, 22414), (1601, 13048), (1631, 12808), (1864, 11207), (3202, 6524), (3262, 6404)]