20255190436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1\times {\mathrm{4789}}^1$

素因数の和:5468

約数の個数: 48

約数和(自身を含む): 38492440000

約数和(自身を除く): 18237249564

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 499, 652, 998, 1996, 2119, 4238, 4789, 6487, 8476, 9578, 12974, 19156, 25948, 62257, 81337, 124514, 162674, 249028, 325348, 780607, 1057381, 1561214, 2114762, 2389711, 3122428, 4229524, 4779422, 9558844, 10147891, 20295782, 31066243, 40591564, 62132486, 124264972, 389522893, 779045786, 1558091572, 5063797609, 10127595218, 20255190436]

約数ペア:

[(1, 20255190436), (2, 10127595218), (4, 5063797609), (13, 1558091572), (26, 779045786), (52, 389522893), (163, 124264972), (326, 62132486), (499, 40591564), (652, 31066243), (998, 20295782), (1996, 10147891), (2119, 9558844), (4238, 4779422), (4789, 4229524), (6487, 3122428), (8476, 2389711), (9578, 2114762), (12974, 1561214), (19156, 1057381), (25948, 780607), (62257, 325348), (81337, 249028), (124514, 162674)]