20130016

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 41383440

約数和(自身を除く): 21253424

約数列:

[1, 2, 4, 8, 16, 32, 41, 67, 82, 134, 164, 229, 268, 328, 458, 536, 656, 916, 1072, 1312, 1832, 2144, 2747, 3664, 5494, 7328, 9389, 10988, 15343, 18778, 21976, 30686, 37556, 43952, 61372, 75112, 87904, 122744, 150224, 245488, 300448, 490976, 629063, 1258126, 2516252, 5032504, 10065008, 20130016]

約数ペア:

[(1, 20130016), (2, 10065008), (4, 5032504), (8, 2516252), (16, 1258126), (32, 629063), (41, 490976), (67, 300448), (82, 245488), (134, 150224), (164, 122744), (229, 87904), (268, 75112), (328, 61372), (458, 43952), (536, 37556), (656, 30686), (916, 21976), (1072, 18778), (1312, 15343), (1832, 10988), (2144, 9389), (2747, 7328), (3664, 5494)]