20844876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2843}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 53512704

約数和(自身を除く): 32667828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2843, 3666, 5686, 7332, 8529, 11372, 17058, 34116, 36959, 73918, 110877, 133621, 147836, 221754, 267242, 400863, 443508, 534484, 801726, 1603452, 1737073, 3474146, 5211219, 6948292, 10422438, 20844876]

約数ペア:

[(1, 20844876), (2, 10422438), (3, 6948292), (4, 5211219), (6, 3474146), (12, 1737073), (13, 1603452), (26, 801726), (39, 534484), (47, 443508), (52, 400863), (78, 267242), (94, 221754), (141, 147836), (156, 133621), (188, 110877), (282, 73918), (564, 36959), (611, 34116), (1222, 17058), (1833, 11372), (2444, 8529), (2843, 7332), (3666, 5686)]