20861010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{77263}}^1$

素因数の和:77279

約数の個数: 32

約数和(自身を含む): 55630080

約数和(自身を除く): 34769070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 77263, 154526, 231789, 386315, 463578, 695367, 772630, 1158945, 1390734, 2086101, 2317890, 3476835, 4172202, 6953670, 10430505, 20861010]

約数ペア:

[(1, 20861010), (2, 10430505), (3, 6953670), (5, 4172202), (6, 3476835), (9, 2317890), (10, 2086101), (15, 1390734), (18, 1158945), (27, 772630), (30, 695367), (45, 463578), (54, 386315), (90, 231789), (135, 154526), (270, 77263)]