20912563588

素因数分解:

$2^2\times 7^2\times {\mathrm{9941}}^1\times {\mathrm{10733}}^1$

素因数の和:20692

約数の個数: 36

約数和(自身を含む): 42580253772

約数和(自身を除く): 21667690184

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 9941, 10733, 19882, 21466, 39764, 42932, 69587, 75131, 139174, 150262, 278348, 300524, 487109, 525917, 974218, 1051834, 1948436, 2103668, 106696753, 213393506, 426787012, 746877271, 1493754542, 2987509084, 5228140897, 10456281794, 20912563588]

約数ペア:

[(1, 20912563588), (2, 10456281794), (4, 5228140897), (7, 2987509084), (14, 1493754542), (28, 746877271), (49, 426787012), (98, 213393506), (196, 106696753), (9941, 2103668), (10733, 1948436), (19882, 1051834), (21466, 974218), (39764, 525917), (42932, 487109), (69587, 300524), (75131, 278348), (139174, 150262)]