20422521

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10457}}^1$

素因数の和:10501

約数の個数: 24

約数和(自身を含む): 34804224

約数和(自身を除く): 14381703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10457, 31371, 73199, 94113, 219597, 324167, 658791, 972501, 2269169, 2917503, 6807507, 20422521]

約数ペア:

[(1, 20422521), (3, 6807507), (7, 2917503), (9, 2269169), (21, 972501), (31, 658791), (63, 324167), (93, 219597), (217, 94113), (279, 73199), (651, 31371), (1953, 10457)]