20990610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77743}}^1$

素因数の和:77759

約数の個数: 32

約数和(自身を含む): 55975680

約数和(自身を除く): 34985070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77743, 155486, 233229, 388715, 466458, 699687, 777430, 1166145, 1399374, 2099061, 2332290, 3498435, 4198122, 6996870, 10495305, 20990610]

約数ペア:

[(1, 20990610), (2, 10495305), (3, 6996870), (5, 4198122), (6, 3498435), (9, 2332290), (10, 2099061), (15, 1399374), (18, 1166145), (27, 777430), (30, 699687), (45, 466458), (54, 388715), (90, 233229), (135, 155486), (270, 77743)]