20651750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11801}}^1$

素因数の和:11825

約数の個数: 32

約数和(自身を含む): 44186688

約数和(自身を除く): 23534938

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750, 11801, 23602, 59005, 82607, 118010, 165214, 295025, 413035, 590050, 826070, 1475125, 2065175, 2950250, 4130350, 10325875, 20651750]

約数ペア:

[(1, 20651750), (2, 10325875), (5, 4130350), (7, 2950250), (10, 2065175), (14, 1475125), (25, 826070), (35, 590050), (50, 413035), (70, 295025), (125, 165214), (175, 118010), (250, 82607), (350, 59005), (875, 23602), (1750, 11801)]