20021505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6151}}^1$

素因数の和:6197

約数の個数: 32

約数和(自身を含む): 37797888

約数和(自身を除く): 17776383

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6151, 18453, 30755, 43057, 92265, 129171, 190681, 215285, 572043, 645855, 953405, 1334767, 2860215, 4004301, 6673835, 20021505]

約数ペア:

[(1, 20021505), (3, 6673835), (5, 4004301), (7, 2860215), (15, 1334767), (21, 953405), (31, 645855), (35, 572043), (93, 215285), (105, 190681), (155, 129171), (217, 92265), (465, 43057), (651, 30755), (1085, 18453), (3255, 6151)]