20217668829

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1\times {\mathrm{4649}}^1$

素因数の和:5941

約数の個数: 32

約数和(自身を含む): 28974931200

約数和(自身を除く): 8757262371

約数列:

[1, 3, 17, 51, 71, 213, 1201, 1207, 3603, 3621, 4649, 13947, 20417, 61251, 79033, 85271, 237099, 255813, 330079, 990237, 1449607, 4348821, 5583449, 5611343, 16750347, 16834029, 94918633, 284755899, 396424879, 1189274637, 6739222943, 20217668829]

約数ペア:

[(1, 20217668829), (3, 6739222943), (17, 1189274637), (51, 396424879), (71, 284755899), (213, 94918633), (1201, 16834029), (1207, 16750347), (3603, 5611343), (3621, 5583449), (4649, 4348821), (13947, 1449607), (20417, 990237), (61251, 330079), (79033, 255813), (85271, 237099)]