20694597

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 34781184

約数和(自身を除く): 14086587

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 231, 303, 707, 887, 1111, 2121, 2661, 3333, 6209, 7777, 9757, 18627, 23331, 29271, 68299, 89587, 204897, 268761, 627109, 985457, 1881327, 2956371, 6898199, 20694597]

約数ペア:

[(1, 20694597), (3, 6898199), (7, 2956371), (11, 1881327), (21, 985457), (33, 627109), (77, 268761), (101, 204897), (231, 89587), (303, 68299), (707, 29271), (887, 23331), (1111, 18627), (2121, 9757), (2661, 7777), (3333, 6209)]