20651499

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10979}}^1$

素因数の和:11015

約数の個数: 24

約数和(自身を含む): 34257600

約数和(自身を除く): 13606101

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10979, 32937, 98811, 120769, 208601, 362307, 625803, 1086921, 1877409, 2294611, 6883833, 20651499]

約数ペア:

[(1, 20651499), (3, 6883833), (9, 2294611), (11, 1877409), (19, 1086921), (33, 625803), (57, 362307), (99, 208601), (171, 120769), (209, 98811), (627, 32937), (1881, 10979)]