20619826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3329}}^1$

素因数の和:3513

約数の個数: 16

約数和(自身を含む): 32767200

約数和(自身を除く): 12147374

約数列:

[1, 2, 19, 38, 163, 326, 3097, 3329, 6194, 6658, 63251, 126502, 542627, 1085254, 10309913, 20619826]

約数ペア:

[(1, 20619826), (2, 10309913), (19, 1085254), (38, 542627), (163, 126502), (326, 63251), (3097, 6658), (3329, 6194)]