20199157447

素因数分解:

$7^2\times {\mathrm{419}}^1\times {\mathrm{601}}^1\times {\mathrm{1637}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 23606659440

約数和(自身を除く): 3407501993

約数列:

[1, 7, 49, 419, 601, 1637, 2933, 4207, 11459, 20531, 29449, 80213, 251819, 685903, 983837, 1762733, 4801321, 6886859, 12339131, 33609247, 48208013, 412227703, 2885593921, 20199157447]

約数ペア:

[(1, 20199157447), (7, 2885593921), (49, 412227703), (419, 48208013), (601, 33609247), (1637, 12339131), (2933, 6886859), (4207, 4801321), (11459, 1762733), (20531, 983837), (29449, 685903), (80213, 251819)]