20808527380

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{673}}^1\times {\mathrm{13681}}^1$

素因数の和:14476

約数の個数: 48

約数和(自身を含む): 44153346384

約数和(自身を除く): 23344819004

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 673, 1130, 1346, 2260, 2692, 3365, 6730, 13460, 13681, 27362, 54724, 68405, 76049, 136810, 152098, 273620, 304196, 380245, 760490, 1520980, 1545953, 3091906, 6183812, 7729765, 9207313, 15459530, 18414626, 30919060, 36829252, 46036565, 92073130, 184146260, 1040426369, 2080852738, 4161705476, 5202131845, 10404263690, 20808527380]

約数ペア:

[(1, 20808527380), (2, 10404263690), (4, 5202131845), (5, 4161705476), (10, 2080852738), (20, 1040426369), (113, 184146260), (226, 92073130), (452, 46036565), (565, 36829252), (673, 30919060), (1130, 18414626), (1346, 15459530), (2260, 9207313), (2692, 7729765), (3365, 6183812), (6730, 3091906), (13460, 1545953), (13681, 1520980), (27362, 760490), (54724, 380245), (68405, 304196), (76049, 273620), (136810, 152098)]