20925814

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4999}}^1$

素因数の和:5044

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 19394186

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4999, 9998, 34993, 64987, 69986, 114977, 129974, 229954, 454909, 804839, 909818, 1494701, 1609678, 2989402, 10462907, 20925814]

約数ペア:

[(1, 20925814), (2, 10462907), (7, 2989402), (13, 1609678), (14, 1494701), (23, 909818), (26, 804839), (46, 454909), (91, 229954), (161, 129974), (182, 114977), (299, 69986), (322, 64987), (598, 34993), (2093, 9998), (4186, 4999)]