20680460

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2243}}^1$

素因数の和:2713

約数の個数: 24

約数和(自身を含む): 43542576

約数和(自身を除く): 22862116

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2243, 2305, 4486, 4610, 8972, 9220, 11215, 22430, 44860, 1034023, 2068046, 4136092, 5170115, 10340230, 20680460]

約数ペア:

[(1, 20680460), (2, 10340230), (4, 5170115), (5, 4136092), (10, 2068046), (20, 1034023), (461, 44860), (922, 22430), (1844, 11215), (2243, 9220), (2305, 8972), (4486, 4610)]