20258790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10079}}^1$

素因数の和:10156

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 29092890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10079, 20158, 30237, 50395, 60474, 100790, 151185, 302370, 675293, 1350586, 2025879, 3376465, 4051758, 6752930, 10129395, 20258790]

約数ペア:

[(1, 20258790), (2, 10129395), (3, 6752930), (5, 4051758), (6, 3376465), (10, 2025879), (15, 1350586), (30, 675293), (67, 302370), (134, 151185), (201, 100790), (335, 60474), (402, 50395), (670, 30237), (1005, 20158), (2010, 10079)]