20829490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8233}}^1$

素因数の和:8274

約数の個数: 32

約数和(自身を含む): 42685056

約数和(自身を除く): 21855566

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8233, 16466, 41165, 82330, 90563, 181126, 189359, 378718, 452815, 905630, 946795, 1893590, 2082949, 4165898, 10414745, 20829490]

約数ペア:

[(1, 20829490), (2, 10414745), (5, 4165898), (10, 2082949), (11, 1893590), (22, 946795), (23, 905630), (46, 452815), (55, 378718), (110, 189359), (115, 181126), (230, 90563), (253, 82330), (506, 41165), (1265, 16466), (2530, 8233)]