20885095

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3191}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12209561

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 3191, 6545, 15955, 22337, 35101, 54247, 111685, 175505, 245707, 271235, 379729, 596717, 1228535, 1898645, 2983585, 4177019, 20885095]

約数ペア:

[(1, 20885095), (5, 4177019), (7, 2983585), (11, 1898645), (17, 1228535), (35, 596717), (55, 379729), (77, 271235), (85, 245707), (119, 175505), (187, 111685), (385, 54247), (595, 35101), (935, 22337), (1309, 15955), (3191, 6545)]