31820048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{152981}}^1$

素因数の和:153002

約数の個数: 20

約数和(自身を含む): 66394188

約数和(自身を除く): 34574140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 152981, 305962, 611924, 1223848, 1988753, 2447696, 3977506, 7955012, 15910024, 31820048]

約数ペア:

[(1, 31820048), (2, 15910024), (4, 7955012), (8, 3977506), (13, 2447696), (16, 1988753), (26, 1223848), (52, 611924), (104, 305962), (208, 152981)]