20155811421

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1222231}}^1$

素因数の和:1222496

約数の個数: 16

約数和(自身を含む): 28160225280

約数和(自身を除く): 8004413859

約数列:

[1, 3, 23, 69, 239, 717, 5497, 16491, 1222231, 3666693, 28111313, 84333939, 292113209, 876339627, 6718603807, 20155811421]

約数ペア:

[(1, 20155811421), (3, 6718603807), (23, 876339627), (69, 292113209), (239, 84333939), (717, 28111313), (5497, 3666693), (16491, 1222231)]