20560396

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 36895824

約数和(自身を除く): 16335428

約数列:

[1, 2, 4, 53, 106, 212, 293, 331, 586, 662, 1172, 1324, 15529, 17543, 31058, 35086, 62116, 70172, 96983, 193966, 387932, 5140099, 10280198, 20560396]

約数ペア:

[(1, 20560396), (2, 10280198), (4, 5140099), (53, 387932), (106, 193966), (212, 96983), (293, 70172), (331, 62116), (586, 35086), (662, 31058), (1172, 17543), (1324, 15529)]