20185695

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23609}}^1$

素因数の和:23639

約数の個数: 24

約数和(自身を含む): 36831600

約数和(自身を除く): 16645905

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 23609, 70827, 118045, 212481, 354135, 448571, 1062405, 1345713, 2242855, 4037139, 6728565, 20185695]

約数ペア:

[(1, 20185695), (3, 6728565), (5, 4037139), (9, 2242855), (15, 1345713), (19, 1062405), (45, 448571), (57, 354135), (95, 212481), (171, 118045), (285, 70827), (855, 23609)]