20121134045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{195931}}^1$

素因数の和:196025

約数の個数: 32

約数和(自身を含む): 27085639680

約数和(自身を除く): 6964505635

約数列:

[1, 5, 19, 23, 47, 95, 115, 235, 437, 893, 1081, 2185, 4465, 5405, 20539, 102695, 195931, 979655, 3722689, 4506413, 9208757, 18613445, 22532065, 46043785, 85621847, 174966383, 211801411, 428109235, 874831915, 1059007055, 4024226809, 20121134045]

約数ペア:

[(1, 20121134045), (5, 4024226809), (19, 1059007055), (23, 874831915), (47, 428109235), (95, 211801411), (115, 174966383), (235, 85621847), (437, 46043785), (893, 22532065), (1081, 18613445), (2185, 9208757), (4465, 4506413), (5405, 3722689), (20539, 979655), (102695, 195931)]