20210497620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{767293}}^1$

素因数の和:767744

約数の個数: 48

約数和(自身を含む): 56718372480

約数和(自身を除く): 36507874860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 878, 1317, 1756, 2195, 2634, 4390, 5268, 6585, 8780, 13170, 26340, 767293, 1534586, 2301879, 3069172, 3836465, 4603758, 7672930, 9207516, 11509395, 15345860, 23018790, 46037580, 336841627, 673683254, 1010524881, 1347366508, 1684208135, 2021049762, 3368416270, 4042099524, 5052624405, 6736832540, 10105248810, 20210497620]

約数ペア:

[(1, 20210497620), (2, 10105248810), (3, 6736832540), (4, 5052624405), (5, 4042099524), (6, 3368416270), (10, 2021049762), (12, 1684208135), (15, 1347366508), (20, 1010524881), (30, 673683254), (60, 336841627), (439, 46037580), (878, 23018790), (1317, 15345860), (1756, 11509395), (2195, 9207516), (2634, 7672930), (4390, 4603758), (5268, 3836465), (6585, 3069172), (8780, 2301879), (13170, 1534586), (26340, 767293)]