20161896808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{185189}}^1$

素因数の和:185665

約数の個数: 32

約数和(自身を含む): 39112128000

約数和(自身を除く): 18950231192

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 439, 878, 1756, 3512, 13609, 27218, 54436, 108872, 185189, 370378, 740756, 1481512, 5740859, 11481718, 22963436, 45926872, 81297971, 162595942, 325191884, 650383768, 2520237101, 5040474202, 10080948404, 20161896808]

約数ペア:

[(1, 20161896808), (2, 10080948404), (4, 5040474202), (8, 2520237101), (31, 650383768), (62, 325191884), (124, 162595942), (248, 81297971), (439, 45926872), (878, 22963436), (1756, 11481718), (3512, 5740859), (13609, 1481512), (27218, 740756), (54436, 370378), (108872, 185189)]