20975931759

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1\times {\mathrm{6781}}^1$

素因数の和:7287

約数の個数: 32

約数和(自身を含む): 29501374464

約数和(自身を除く): 8525442705

約数列:

[1, 3, 23, 69, 127, 353, 381, 1059, 2921, 6781, 8119, 8763, 20343, 24357, 44831, 134493, 155963, 467889, 861187, 1031113, 2393693, 2583561, 3093339, 7181079, 19807301, 55054939, 59421903, 165164817, 303999011, 911997033, 6991977253, 20975931759]

約数ペア:

[(1, 20975931759), (3, 6991977253), (23, 911997033), (69, 303999011), (127, 165164817), (353, 59421903), (381, 55054939), (1059, 19807301), (2921, 7181079), (6781, 3093339), (8119, 2583561), (8763, 2393693), (20343, 1031113), (24357, 861187), (44831, 467889), (134493, 155963)]