20741688

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{26189}}^1$

素因数の和:26212

約数の個数: 48

約数和(自身を含む): 61284600

約数和(自身を除く): 40542912

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 26189, 52378, 78567, 104756, 157134, 209512, 235701, 288079, 314268, 471402, 576158, 628536, 864237, 942804, 1152316, 1728474, 1885608, 2304632, 2592711, 3456948, 5185422, 6913896, 10370844, 20741688]

約数ペア:

[(1, 20741688), (2, 10370844), (3, 6913896), (4, 5185422), (6, 3456948), (8, 2592711), (9, 2304632), (11, 1885608), (12, 1728474), (18, 1152316), (22, 942804), (24, 864237), (33, 628536), (36, 576158), (44, 471402), (66, 314268), (72, 288079), (88, 235701), (99, 209512), (132, 157134), (198, 104756), (264, 78567), (396, 52378), (792, 26189)]