20404250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4801}}^1$

素因数の和:4835

約数の個数: 32

約数和(自身を含む): 40452048

約数和(自身を除く): 20047798

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4801, 9602, 24005, 48010, 81617, 120025, 163234, 240050, 408085, 600125, 816170, 1200250, 2040425, 4080850, 10202125, 20404250]

約数ペア:

[(1, 20404250), (2, 10202125), (5, 4080850), (10, 2040425), (17, 1200250), (25, 816170), (34, 600125), (50, 408085), (85, 240050), (125, 163234), (170, 120025), (250, 81617), (425, 48010), (850, 24005), (2125, 9602), (4250, 4801)]