20692995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4271}}^1$

素因数の和:4315

約数の個数: 32

約数和(自身を含む): 36910080

約数和(自身を除く): 16217085

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4271, 4845, 12813, 21355, 64065, 72607, 81149, 217821, 243447, 363035, 405745, 1089105, 1217235, 1379533, 4138599, 6897665, 20692995]

約数ペア:

[(1, 20692995), (3, 6897665), (5, 4138599), (15, 1379533), (17, 1217235), (19, 1089105), (51, 405745), (57, 363035), (85, 243447), (95, 217821), (255, 81149), (285, 72607), (323, 64065), (969, 21355), (1615, 12813), (4271, 4845)]