20805646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3359}}^1$

素因数の和:3543

約数の個数: 16

約数和(自身を含む): 33062400

約数和(自身を除く): 12256754

約数列:

[1, 2, 19, 38, 163, 326, 3097, 3359, 6194, 6718, 63821, 127642, 547517, 1095034, 10402823, 20805646]

約数ペア:

[(1, 20805646), (2, 10402823), (19, 1095034), (38, 547517), (163, 127642), (326, 63821), (3097, 6718), (3359, 6194)]