20167760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8693}}^1$

素因数の和:8735

約数の個数: 40

約数和(自身を含む): 48512520

約数和(自身を除く): 28344760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8693, 17386, 34772, 43465, 69544, 86930, 139088, 173860, 252097, 347720, 504194, 695440, 1008388, 1260485, 2016776, 2520970, 4033552, 5041940, 10083880, 20167760]

約数ペア:

[(1, 20167760), (2, 10083880), (4, 5041940), (5, 4033552), (8, 2520970), (10, 2016776), (16, 1260485), (20, 1008388), (29, 695440), (40, 504194), (58, 347720), (80, 252097), (116, 173860), (145, 139088), (232, 86930), (290, 69544), (464, 43465), (580, 34772), (1160, 17386), (2320, 8693)]