20036555

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 30440448

約数和(自身を除く): 10403893

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 733, 781, 2485, 3665, 3905, 5131, 5467, 8063, 25655, 27335, 40315, 52043, 56441, 260215, 282205, 364301, 572473, 1821505, 2862365, 4007311, 20036555]

約数ペア:

[(1, 20036555), (5, 4007311), (7, 2862365), (11, 1821505), (35, 572473), (55, 364301), (71, 282205), (77, 260215), (355, 56441), (385, 52043), (497, 40315), (733, 27335), (781, 25655), (2485, 8063), (3665, 5467), (3905, 5131)]