20145707204

素因数分解:

$2^2\times 7^1\times {\mathrm{1259}}^1\times {\mathrm{571477}}^1$

素因数の和:572747

約数の個数: 24

約数和(自身を含む): 40323487680

約数和(自身を除く): 20177780476

約数列:

[1, 2, 4, 7, 14, 28, 1259, 2518, 5036, 8813, 17626, 35252, 571477, 1142954, 2285908, 4000339, 8000678, 16001356, 719489543, 1438979086, 2877958172, 5036426801, 10072853602, 20145707204]

約数ペア:

[(1, 20145707204), (2, 10072853602), (4, 5036426801), (7, 2877958172), (14, 1438979086), (28, 719489543), (1259, 16001356), (2518, 8000678), (5036, 4000339), (8813, 2285908), (17626, 1142954), (35252, 571477)]