20787620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{148483}}^1$

素因数の和:148499

約数の個数: 24

約数和(自身を含む): 49890624

約数和(自身を除く): 29103004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 148483, 296966, 593932, 742415, 1039381, 1484830, 2078762, 2969660, 4157524, 5196905, 10393810, 20787620]

約数ペア:

[(1, 20787620), (2, 10393810), (4, 5196905), (5, 4157524), (7, 2969660), (10, 2078762), (14, 1484830), (20, 1039381), (28, 742415), (35, 593932), (70, 296966), (140, 148483)]