20971930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10331}}^1$

素因数の和:10374

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 23662310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10331, 20662, 51655, 72317, 103310, 144634, 299599, 361585, 599198, 723170, 1497995, 2097193, 2995990, 4194386, 10485965, 20971930]

約数ペア:

[(1, 20971930), (2, 10485965), (5, 4194386), (7, 2995990), (10, 2097193), (14, 1497995), (29, 723170), (35, 599198), (58, 361585), (70, 299599), (145, 144634), (203, 103310), (290, 72317), (406, 51655), (1015, 20662), (2030, 10331)]