20163879944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1\times {\mathrm{2707}}^1$

素因数の和:3862

約数の個数: 64

約数和(自身を含む): 41377156800

約数和(自身を除く): 21213276856

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1069, 1742, 2138, 2707, 3484, 4276, 5414, 6968, 8552, 10828, 13897, 21656, 27794, 35191, 55588, 70382, 71623, 111176, 140764, 143246, 181369, 281528, 286492, 362738, 572984, 725476, 931099, 1450952, 1862198, 2357797, 2893783, 3724396, 4715594, 5787566, 7448792, 9431188, 11575132, 18862376, 23150264, 37619179, 75238358, 150476716, 193883461, 300953432, 387766922, 775533844, 1551067688, 2520484993, 5040969986, 10081939972, 20163879944]

約数ペア:

[(1, 20163879944), (2, 10081939972), (4, 5040969986), (8, 2520484993), (13, 1551067688), (26, 775533844), (52, 387766922), (67, 300953432), (104, 193883461), (134, 150476716), (268, 75238358), (536, 37619179), (871, 23150264), (1069, 18862376), (1742, 11575132), (2138, 9431188), (2707, 7448792), (3484, 5787566), (4276, 4715594), (5414, 3724396), (6968, 2893783), (8552, 2357797), (10828, 1862198), (13897, 1450952), (21656, 931099), (27794, 725476), (35191, 572984), (55588, 362738), (70382, 286492), (71623, 281528), (111176, 181369), (140764, 143246)]