20351582

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:895

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 10783522

約数列:

[1, 2, 71, 142, 251, 502, 571, 1142, 17821, 35642, 40541, 81082, 143321, 286642, 10175791, 20351582]

約数ペア:

[(1, 20351582), (2, 10175791), (71, 286642), (142, 143321), (251, 81082), (502, 40541), (571, 35642), (1142, 17821)]