20188190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{823}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 39868416

約数和(自身を除く): 19680226

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 223, 446, 823, 1115, 1646, 2230, 2453, 4115, 4906, 8230, 9053, 12265, 18106, 24530, 45265, 90530, 183529, 367058, 917645, 1835290, 2018819, 4037638, 10094095, 20188190]

約数ペア:

[(1, 20188190), (2, 10094095), (5, 4037638), (10, 2018819), (11, 1835290), (22, 917645), (55, 367058), (110, 183529), (223, 90530), (446, 45265), (823, 24530), (1115, 18106), (1646, 12265), (2230, 9053), (2453, 8230), (4115, 4906)]