20489048973

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{5101}}^1$

素因数の和:5354

約数の個数: 48

約数和(自身を含む): 30887752896

約数和(自身を除く): 10398703923

約数列:

[1, 3, 9, 43, 97, 107, 129, 291, 321, 387, 873, 963, 4171, 4601, 5101, 10379, 12513, 13803, 15303, 31137, 37539, 41409, 45909, 93411, 219343, 446297, 494797, 545807, 658029, 1338891, 1484391, 1637421, 1974087, 4016673, 4453173, 4912263, 21276271, 23469701, 52943279, 63828813, 70409103, 158829837, 191486439, 211227309, 476489511, 2276560997, 6829682991, 20489048973]

約数ペア:

[(1, 20489048973), (3, 6829682991), (9, 2276560997), (43, 476489511), (97, 211227309), (107, 191486439), (129, 158829837), (291, 70409103), (321, 63828813), (387, 52943279), (873, 23469701), (963, 21276271), (4171, 4912263), (4601, 4453173), (5101, 4016673), (10379, 1974087), (12513, 1637421), (13803, 1484391), (15303, 1338891), (31137, 658029), (37539, 545807), (41409, 494797), (45909, 446297), (93411, 219343)]