20297013

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10668747

約数列:

[1, 3, 11, 29, 33, 87, 127, 167, 319, 381, 501, 957, 1397, 1837, 3683, 4191, 4843, 5511, 11049, 14529, 21209, 40513, 53273, 63627, 121539, 159819, 233299, 615061, 699897, 1845183, 6765671, 20297013]

約数ペア:

[(1, 20297013), (3, 6765671), (11, 1845183), (29, 699897), (33, 615061), (87, 233299), (127, 159819), (167, 121539), (319, 63627), (381, 53273), (501, 40513), (957, 21209), (1397, 14529), (1837, 11049), (3683, 5511), (4191, 4843)]