20507030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{547}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 38824704

約数和(自身を除く): 18317674

約数列:

[1, 2, 5, 10, 23, 46, 115, 163, 230, 326, 547, 815, 1094, 1630, 2735, 3749, 5470, 7498, 12581, 18745, 25162, 37490, 62905, 89161, 125810, 178322, 445805, 891610, 2050703, 4101406, 10253515, 20507030]

約数ペア:

[(1, 20507030), (2, 10253515), (5, 4101406), (10, 2050703), (23, 891610), (46, 445805), (115, 178322), (163, 125810), (230, 89161), (326, 62905), (547, 37490), (815, 25162), (1094, 18745), (1630, 12581), (2735, 7498), (3749, 5470)]