20199137217

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{6551}}^1$

素因数の和:6734

約数の個数: 64

約数和(自身を含む): 32757903360

約数和(自身を除く): 12558766143

約数列:

[1, 3, 7, 21, 29, 61, 83, 87, 183, 203, 249, 427, 581, 609, 1281, 1743, 1769, 2407, 5063, 5307, 6551, 7221, 12383, 15189, 16849, 19653, 35441, 37149, 45857, 50547, 106323, 137571, 146827, 189979, 399611, 440481, 543733, 569937, 1027789, 1198833, 1329853, 1631199, 2797277, 3083367, 3806131, 3989559, 8391831, 11418393, 11588719, 15768257, 33167713, 34766157, 47304771, 81121033, 99503139, 110377799, 232173991, 243363099, 331133397, 696521973, 961863677, 2885591031, 6733045739, 20199137217]

約数ペア:

[(1, 20199137217), (3, 6733045739), (7, 2885591031), (21, 961863677), (29, 696521973), (61, 331133397), (83, 243363099), (87, 232173991), (183, 110377799), (203, 99503139), (249, 81121033), (427, 47304771), (581, 34766157), (609, 33167713), (1281, 15768257), (1743, 11588719), (1769, 11418393), (2407, 8391831), (5063, 3989559), (5307, 3806131), (6551, 3083367), (7221, 2797277), (12383, 1631199), (15189, 1329853), (16849, 1198833), (19653, 1027789), (35441, 569937), (37149, 543733), (45857, 440481), (50547, 399611), (106323, 189979), (137571, 146827)]