20306800

素因数分解:

$2^4\times 5^2\times {\mathrm{50767}}^1$

素因数の和:50785

約数の個数: 30

約数和(自身を含む): 48788048

約数和(自身を除く): 28481248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50767, 101534, 203068, 253835, 406136, 507670, 812272, 1015340, 1269175, 2030680, 2538350, 4061360, 5076700, 10153400, 20306800]

約数ペア:

[(1, 20306800), (2, 10153400), (4, 5076700), (5, 4061360), (8, 2538350), (10, 2030680), (16, 1269175), (20, 1015340), (25, 812272), (40, 507670), (50, 406136), (80, 253835), (100, 203068), (200, 101534), (400, 50767)]