20187009045

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64085743}}^1$

素因数の和:64085761

約数の個数: 24

約数和(自身を含む): 39989504256

約数和(自身を除く): 19802495211

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64085743, 192257229, 320428715, 448600201, 576771687, 961286145, 1345800603, 2243001005, 2883858435, 4037401809, 6729003015, 20187009045]

約数ペア:

[(1, 20187009045), (3, 6729003015), (5, 4037401809), (7, 2883858435), (9, 2243001005), (15, 1345800603), (21, 961286145), (35, 576771687), (45, 448600201), (63, 320428715), (105, 192257229), (315, 64085743)]