20389270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8059}}^1$

素因数の和:8100

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 21393770

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 8059, 16118, 40295, 80590, 88649, 177298, 185357, 370714, 443245, 886490, 926785, 1853570, 2038927, 4077854, 10194635, 20389270]

約数ペア:

[(1, 20389270), (2, 10194635), (5, 4077854), (10, 2038927), (11, 1853570), (22, 926785), (23, 886490), (46, 443245), (55, 370714), (110, 185357), (115, 177298), (230, 88649), (253, 80590), (506, 40295), (1265, 16118), (2530, 8059)]