20347746627

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{1801}}^1$

素因数の和:2108

約数の個数: 64

約数和(自身を含む): 31323084800

約数和(自身を除く): 10975338173

約数列:

[1, 3, 13, 19, 39, 57, 79, 193, 237, 247, 579, 741, 1027, 1501, 1801, 2509, 3081, 3667, 4503, 5403, 7527, 11001, 15247, 19513, 23413, 34219, 45741, 47671, 58539, 70239, 102657, 142279, 143013, 198211, 289693, 347593, 426837, 444847, 594633, 869079, 1042779, 1334541, 1849627, 2703301, 3766009, 4518709, 5548881, 6604267, 8109903, 11298027, 13556127, 19812801, 27459847, 35142913, 82379541, 85855471, 105428739, 257566413, 356978011, 521737093, 1070934033, 1565211279, 6782582209, 20347746627]

約数ペア:

[(1, 20347746627), (3, 6782582209), (13, 1565211279), (19, 1070934033), (39, 521737093), (57, 356978011), (79, 257566413), (193, 105428739), (237, 85855471), (247, 82379541), (579, 35142913), (741, 27459847), (1027, 19812801), (1501, 13556127), (1801, 11298027), (2509, 8109903), (3081, 6604267), (3667, 5548881), (4503, 4518709), (5403, 3766009), (7527, 2703301), (11001, 1849627), (15247, 1334541), (19513, 1042779), (23413, 869079), (34219, 594633), (45741, 444847), (47671, 426837), (58539, 347593), (70239, 289693), (102657, 198211), (142279, 143013)]