20804877255

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{503}}^1\times {\mathrm{6581}}^1$

素因数の和:7511

約数の個数: 32

約数和(自身を含む): 33438666240

約数和(自身を除く): 12633788985

約数列:

[1, 3, 5, 15, 419, 503, 1257, 1509, 2095, 2515, 6285, 6581, 7545, 19743, 32905, 98715, 210757, 632271, 1053785, 2757439, 3161355, 3310243, 8272317, 9930729, 13787195, 16551215, 41361585, 49653645, 1386991817, 4160975451, 6934959085, 20804877255]

約数ペア:

[(1, 20804877255), (3, 6934959085), (5, 4160975451), (15, 1386991817), (419, 49653645), (503, 41361585), (1257, 16551215), (1509, 13787195), (2095, 9930729), (2515, 8272317), (6285, 3310243), (6581, 3161355), (7545, 2757439), (19743, 1053785), (32905, 632271), (98715, 210757)]