20152979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3313}}^1$

素因数の和:3410

約数の個数: 16

約数和(自身を含む): 25451520

約数和(自身を除く): 5298541

約数列:

[1, 7, 11, 77, 79, 553, 869, 3313, 6083, 23191, 36443, 255101, 261727, 1832089, 2878997, 20152979]

約数ペア:

[(1, 20152979), (7, 2878997), (11, 1832089), (77, 261727), (79, 255101), (553, 36443), (869, 23191), (3313, 6083)]