20406977164

素因数分解:

$2^2\times 7^1\times {\mathrm{21557}}^1\times {\mathrm{33809}}^1$

素因数の和:55377

約数の個数: 24

約数和(自身を含む): 40817054880

約数和(自身を除く): 20410077716

約数列:

[1, 2, 4, 7, 14, 28, 21557, 33809, 43114, 67618, 86228, 135236, 150899, 236663, 301798, 473326, 603596, 946652, 728820613, 1457641226, 2915282452, 5101744291, 10203488582, 20406977164]

約数ペア:

[(1, 20406977164), (2, 10203488582), (4, 5101744291), (7, 2915282452), (14, 1457641226), (28, 728820613), (21557, 946652), (33809, 603596), (43114, 473326), (67618, 301798), (86228, 236663), (135236, 150899)]