20173875868223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{7451}}^1\times {\mathrm{215723}}^1$

素因数の和:223355

約数の個数: 32

約数和(自身を含む): 25309664704512

約数和(自身を除く): 5135788836289

約数列:

[1, 7, 11, 77, 163, 1141, 1793, 7451, 12551, 52157, 81961, 215723, 573727, 1214513, 1510061, 2372953, 8501591, 13359643, 16610671, 35162849, 93517501, 246139943, 386791339, 1607352073, 2707539373, 11251464511, 17680872803, 123766109621, 261998387899, 1833988715293, 2881982266889, 20173875868223]

約数ペア:

[(1, 20173875868223), (7, 2881982266889), (11, 1833988715293), (77, 261998387899), (163, 123766109621), (1141, 17680872803), (1793, 11251464511), (7451, 2707539373), (12551, 1607352073), (52157, 386791339), (81961, 246139943), (215723, 93517501), (573727, 35162849), (1214513, 16610671), (1510061, 13359643), (2372953, 8501591)]