20807110818

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{333031}}^1$

素因数の和:333144

約数の個数: 64

約数和(自身を含む): 50354438400

約数和(自身を除く): 29547327582

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 89, 117, 178, 234, 267, 351, 534, 702, 801, 1157, 1602, 2314, 2403, 3471, 4806, 6942, 10413, 20826, 31239, 62478, 333031, 666062, 999093, 1998186, 2997279, 4329403, 5994558, 8658806, 8991837, 12988209, 17983674, 25976418, 29639759, 38964627, 59279518, 77929254, 88919277, 116893881, 177838554, 233787762, 266757831, 385316867, 533515662, 770633734, 800273493, 1155950601, 1600546986, 2311901202, 3467851803, 6935703606, 10403555409, 20807110818]

約数ペア:

[(1, 20807110818), (2, 10403555409), (3, 6935703606), (6, 3467851803), (9, 2311901202), (13, 1600546986), (18, 1155950601), (26, 800273493), (27, 770633734), (39, 533515662), (54, 385316867), (78, 266757831), (89, 233787762), (117, 177838554), (178, 116893881), (234, 88919277), (267, 77929254), (351, 59279518), (534, 38964627), (702, 29639759), (801, 25976418), (1157, 17983674), (1602, 12988209), (2314, 8991837), (2403, 8658806), (3471, 5994558), (4806, 4329403), (6942, 2997279), (10413, 1998186), (20826, 999093), (31239, 666062), (62478, 333031)]