20357156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 36885240

約数和(自身を除く): 16528084

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 1229, 2458, 4141, 4916, 8282, 16564, 50389, 100778, 124129, 201556, 248258, 496516, 5089289, 10178578, 20357156]

約数ペア:

[(1, 20357156), (2, 10178578), (4, 5089289), (41, 496516), (82, 248258), (101, 201556), (164, 124129), (202, 100778), (404, 50389), (1229, 16564), (2458, 8282), (4141, 4916)]