20570770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4349}}^1$

素因数の和:4410

約数の個数: 32

約数和(自身を含む): 41342400

約数和(自身を除く): 20771630

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4349, 4730, 8698, 21745, 43490, 47839, 95678, 187007, 239195, 374014, 478390, 935035, 1870070, 2057077, 4114154, 10285385, 20570770]

約数ペア:

[(1, 20570770), (2, 10285385), (5, 4114154), (10, 2057077), (11, 1870070), (22, 935035), (43, 478390), (55, 374014), (86, 239195), (110, 187007), (215, 95678), (430, 47839), (473, 43490), (946, 21745), (2365, 8698), (4349, 4730)]