20311660

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2203}}^1$

素因数の和:2673

約数の個数: 24

約数和(自身を含む): 42766416

約数和(自身を除く): 22454756

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2203, 2305, 4406, 4610, 8812, 9220, 11015, 22030, 44060, 1015583, 2031166, 4062332, 5077915, 10155830, 20311660]

約数ペア:

[(1, 20311660), (2, 10155830), (4, 5077915), (5, 4062332), (10, 2031166), (20, 1015583), (461, 44060), (922, 22030), (1844, 11015), (2203, 9220), (2305, 8812), (4406, 4610)]