20945404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1459}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 38059280

約数和(自身を除く): 17113876

約数列:

[1, 2, 4, 37, 74, 97, 148, 194, 388, 1459, 2918, 3589, 5836, 7178, 14356, 53983, 107966, 141523, 215932, 283046, 566092, 5236351, 10472702, 20945404]

約数ペア:

[(1, 20945404), (2, 10472702), (4, 5236351), (37, 566092), (74, 283046), (97, 215932), (148, 141523), (194, 107966), (388, 53983), (1459, 14356), (2918, 7178), (3589, 5836)]