20011620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5653}}^1$

素因数の和:5724

約数の個数: 48

約数和(自身を含む): 56992320

約数和(自身を除く): 36980700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5653, 11306, 16959, 22612, 28265, 33918, 56530, 67836, 84795, 113060, 169590, 333527, 339180, 667054, 1000581, 1334108, 1667635, 2001162, 3335270, 4002324, 5002905, 6670540, 10005810, 20011620]

約数ペア:

[(1, 20011620), (2, 10005810), (3, 6670540), (4, 5002905), (5, 4002324), (6, 3335270), (10, 2001162), (12, 1667635), (15, 1334108), (20, 1000581), (30, 667054), (59, 339180), (60, 333527), (118, 169590), (177, 113060), (236, 84795), (295, 67836), (354, 56530), (590, 33918), (708, 28265), (885, 22612), (1180, 16959), (1770, 11306), (3540, 5653)]