20680890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10289}}^1$

素因数の和:10366

約数の個数: 32

約数和(自身を含む): 50379840

約数和(自身を除く): 29698950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10289, 20578, 30867, 51445, 61734, 102890, 154335, 308670, 689363, 1378726, 2068089, 3446815, 4136178, 6893630, 10340445, 20680890]

約数ペア:

[(1, 20680890), (2, 10340445), (3, 6893630), (5, 4136178), (6, 3446815), (10, 2068089), (15, 1378726), (30, 689363), (67, 308670), (134, 154335), (201, 102890), (335, 61734), (402, 51445), (670, 30867), (1005, 20578), (2010, 10289)]