20951150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3463}}^1$

素因数の和:3497

約数の個数: 36

約数和(自身を含む): 42846216

約数和(自身を除く): 21895066

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 3463, 6050, 6926, 17315, 34630, 38093, 76186, 86575, 173150, 190465, 380930, 419023, 838046, 952325, 1904650, 2095115, 4190230, 10475575, 20951150]

約数ペア:

[(1, 20951150), (2, 10475575), (5, 4190230), (10, 2095115), (11, 1904650), (22, 952325), (25, 838046), (50, 419023), (55, 380930), (110, 190465), (121, 173150), (242, 86575), (275, 76186), (550, 38093), (605, 34630), (1210, 17315), (3025, 6926), (3463, 6050)]