20306055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17581}}^1$

素因数の和:17607

約数の個数: 32

約数和(自身を含む): 40508928

約数和(自身を除く): 20202873

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17581, 52743, 87905, 123067, 193391, 263715, 369201, 580173, 615335, 966955, 1353737, 1846005, 2900865, 4061211, 6768685, 20306055]

約数ペア:

[(1, 20306055), (3, 6768685), (5, 4061211), (7, 2900865), (11, 1846005), (15, 1353737), (21, 966955), (33, 615335), (35, 580173), (55, 369201), (77, 263715), (105, 193391), (165, 123067), (231, 87905), (385, 52743), (1155, 17581)]