20565681434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{701}}^1\times {\mathrm{3919}}^1$

素因数の和:4838

約数の個数: 32

約数和(自身を含む): 32691859200

約数和(自身を除く): 12126177766

約数列:

[1, 2, 19, 38, 197, 394, 701, 1402, 3743, 3919, 7486, 7838, 13319, 26638, 74461, 138097, 148922, 276194, 772043, 1544086, 2623843, 2747219, 5247686, 5494438, 14668817, 29337634, 52197161, 104394322, 541202143, 1082404286, 10282840717, 20565681434]

約数ペア:

[(1, 20565681434), (2, 10282840717), (19, 1082404286), (38, 541202143), (197, 104394322), (394, 52197161), (701, 29337634), (1402, 14668817), (3743, 5494438), (3919, 5247686), (7486, 2747219), (7838, 2623843), (13319, 1544086), (26638, 772043), (74461, 276194), (138097, 148922)]