20508948

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5531}}^1$

素因数の和:5644

約数の個数: 36

約数和(自身を含む): 52354848

約数和(自身を除く): 31845900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5531, 11062, 16593, 22124, 33186, 49779, 66372, 99558, 199116, 569693, 1139386, 1709079, 2278772, 3418158, 5127237, 6836316, 10254474, 20508948]

約数ペア:

[(1, 20508948), (2, 10254474), (3, 6836316), (4, 5127237), (6, 3418158), (9, 2278772), (12, 1709079), (18, 1139386), (36, 569693), (103, 199116), (206, 99558), (309, 66372), (412, 49779), (618, 33186), (927, 22124), (1236, 16593), (1854, 11062), (3708, 5531)]