20164500980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2674337}}^1$

素因数の和:2674388

約数の個数: 48

約数和(自身を含む): 47175322320

約数和(自身を除く): 27010821340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 2674337, 5348674, 10697348, 13371685, 26743370, 34766381, 53486740, 69532762, 77555773, 139065524, 155111546, 173831905, 310223092, 347663810, 387778865, 695327620, 775557730, 1008225049, 1551115460, 2016450098, 4032900196, 5041125245, 10082250490, 20164500980]

約数ペア:

[(1, 20164500980), (2, 10082250490), (4, 5041125245), (5, 4032900196), (10, 2016450098), (13, 1551115460), (20, 1008225049), (26, 775557730), (29, 695327620), (52, 387778865), (58, 347663810), (65, 310223092), (116, 173831905), (130, 155111546), (145, 139065524), (260, 77555773), (290, 69532762), (377, 53486740), (580, 34766381), (754, 26743370), (1508, 13371685), (1885, 10697348), (3770, 5348674), (7540, 2674337)]