20172541948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2143279}}^1$

素因数の和:2143477

約数の個数: 24

約数和(自身を含む): 38227542080

約数和(自身を除く): 18055000132

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2353, 4706, 9412, 2143279, 4286558, 8573116, 27862627, 55725254, 111450508, 387933499, 775866998, 1551733996, 5043135487, 10086270974, 20172541948]

約数ペア:

[(1, 20172541948), (2, 10086270974), (4, 5043135487), (13, 1551733996), (26, 775866998), (52, 387933499), (181, 111450508), (362, 55725254), (724, 27862627), (2353, 8573116), (4706, 4286558), (9412, 2143279)]