20179360

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4349}}^1$

素因数の和:4393

約数の個数: 48

約数和(自身を含む): 49329000

約数和(自身を除く): 29149640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4349, 4640, 8698, 17396, 21745, 34792, 43490, 69584, 86980, 126121, 139168, 173960, 252242, 347920, 504484, 630605, 695840, 1008968, 1261210, 2017936, 2522420, 4035872, 5044840, 10089680, 20179360]

約数ペア:

[(1, 20179360), (2, 10089680), (4, 5044840), (5, 4035872), (8, 2522420), (10, 2017936), (16, 1261210), (20, 1008968), (29, 695840), (32, 630605), (40, 504484), (58, 347920), (80, 252242), (116, 173960), (145, 139168), (160, 126121), (232, 86980), (290, 69584), (464, 43490), (580, 34792), (928, 21745), (1160, 17396), (2320, 8698), (4349, 4640)]