20921432844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134111749}}^1$

素因数の和:134111769

約数の個数: 24

約数和(自身を含む): 52571806000

約数和(自身を除く): 31650373156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134111749, 268223498, 402335247, 536446996, 804670494, 1609340988, 1743452737, 3486905474, 5230358211, 6973810948, 10460716422, 20921432844]

約数ペア:

[(1, 20921432844), (2, 10460716422), (3, 6973810948), (4, 5230358211), (6, 3486905474), (12, 1743452737), (13, 1609340988), (26, 804670494), (39, 536446996), (52, 402335247), (78, 268223498), (156, 134111749)]