20577620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146983}}^1$

素因数の和:146999

約数の個数: 24

約数和(自身を含む): 49386624

約数和(自身を除く): 28809004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146983, 293966, 587932, 734915, 1028881, 1469830, 2057762, 2939660, 4115524, 5144405, 10288810, 20577620]

約数ペア:

[(1, 20577620), (2, 10288810), (4, 5144405), (5, 4115524), (7, 2939660), (10, 2057762), (14, 1469830), (20, 1028881), (28, 734915), (35, 587932), (70, 293966), (140, 146983)]