20687112594

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{515143}}^1$

素因数の和:515271

約数の個数: 48

約数和(自身を含む): 47253128832

約数和(自身を除く): 26566016238

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 97, 138, 194, 207, 291, 414, 582, 873, 1746, 2231, 4462, 6693, 13386, 20079, 40158, 515143, 1030286, 1545429, 3090858, 4636287, 9272574, 11848289, 23696578, 35544867, 49968871, 71089734, 99937742, 106634601, 149906613, 213269202, 299813226, 449719839, 899439678, 1149284033, 2298568066, 3447852099, 6895704198, 10343556297, 20687112594]

約数ペア:

[(1, 20687112594), (2, 10343556297), (3, 6895704198), (6, 3447852099), (9, 2298568066), (18, 1149284033), (23, 899439678), (46, 449719839), (69, 299813226), (97, 213269202), (138, 149906613), (194, 106634601), (207, 99937742), (291, 71089734), (414, 49968871), (582, 35544867), (873, 23696578), (1746, 11848289), (2231, 9272574), (4462, 4636287), (6693, 3090858), (13386, 1545429), (20079, 1030286), (40158, 515143)]