20197508734

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 33664014720

約数和(自身を除く): 13466505986

約数列:

[1, 2, 13, 26, 71, 101, 142, 169, 202, 338, 641, 923, 1282, 1313, 1846, 2197, 2626, 4394, 7171, 8333, 11999, 14342, 16666, 17069, 23998, 34138, 45511, 64741, 91022, 93223, 108329, 129482, 155987, 186446, 216658, 221897, 311974, 443794, 591643, 841633, 1183286, 1211899, 1408277, 1683266, 2423798, 2816554, 4596611, 7691359, 9193222, 10941229, 15382718, 15754687, 21882458, 31509374, 59755943, 99987667, 119511886, 142235977, 199975334, 284471954, 776827259, 1553654518, 10098754367, 20197508734]

約数ペア:

[(1, 20197508734), (2, 10098754367), (13, 1553654518), (26, 776827259), (71, 284471954), (101, 199975334), (142, 142235977), (169, 119511886), (202, 99987667), (338, 59755943), (641, 31509374), (923, 21882458), (1282, 15754687), (1313, 15382718), (1846, 10941229), (2197, 9193222), (2626, 7691359), (4394, 4596611), (7171, 2816554), (8333, 2423798), (11999, 1683266), (14342, 1408277), (16666, 1211899), (17069, 1183286), (23998, 841633), (34138, 591643), (45511, 443794), (64741, 311974), (91022, 221897), (93223, 216658), (108329, 186446), (129482, 155987)]