20378722

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2794

約数の個数: 32

約数和(自身を含む): 38553984

約数和(自身を除く): 18175262

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 2731, 3731, 5462, 7462, 19117, 35503, 38234, 71006, 111971, 223942, 248521, 497042, 783797, 1455623, 1567594, 2911246, 10189361, 20378722]

約数ペア:

[(1, 20378722), (2, 10189361), (7, 2911246), (13, 1567594), (14, 1455623), (26, 783797), (41, 497042), (82, 248521), (91, 223942), (182, 111971), (287, 71006), (533, 38234), (574, 35503), (1066, 19117), (2731, 7462), (3731, 5462)]