20506270

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 38218752

約数和(自身を除く): 17712482

約数列:

[1, 2, 5, 10, 43, 86, 103, 206, 215, 430, 463, 515, 926, 1030, 2315, 4429, 4630, 8858, 19909, 22145, 39818, 44290, 47689, 95378, 99545, 199090, 238445, 476890, 2050627, 4101254, 10253135, 20506270]

約数ペア:

[(1, 20506270), (2, 10253135), (5, 4101254), (10, 2050627), (43, 476890), (86, 238445), (103, 199090), (206, 99545), (215, 95378), (430, 47689), (463, 44290), (515, 39818), (926, 22145), (1030, 19909), (2315, 8858), (4429, 4630)]