20649792

素因数分解:

$2^6\times 3^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:967

約数の個数: 56

約数和(自身を含む): 55120032

約数和(自身を除く): 34470240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 131, 192, 262, 393, 524, 786, 821, 1048, 1572, 1642, 2096, 2463, 3144, 3284, 4192, 4926, 6288, 6568, 8384, 9852, 12576, 13136, 19704, 25152, 26272, 39408, 52544, 78816, 107551, 157632, 215102, 322653, 430204, 645306, 860408, 1290612, 1720816, 2581224, 3441632, 5162448, 6883264, 10324896, 20649792]

約数ペア:

[(1, 20649792), (2, 10324896), (3, 6883264), (4, 5162448), (6, 3441632), (8, 2581224), (12, 1720816), (16, 1290612), (24, 860408), (32, 645306), (48, 430204), (64, 322653), (96, 215102), (131, 157632), (192, 107551), (262, 78816), (393, 52544), (524, 39408), (786, 26272), (821, 25152), (1048, 19704), (1572, 13136), (1642, 12576), (2096, 9852), (2463, 8384), (3144, 6568), (3284, 6288), (4192, 4926)]