20132317880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1759}}^1\times {\mathrm{2833}}^1$

素因数の和:4704

約数の個数: 64

約数和(自身を含む): 45788371200

約数和(自身を除く): 25656053320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1759, 2020, 2833, 3518, 4040, 5666, 7036, 8795, 11332, 14072, 14165, 17590, 22664, 28330, 35180, 56660, 70360, 113320, 177659, 286133, 355318, 572266, 710636, 888295, 1144532, 1421272, 1430665, 1776590, 2289064, 2861330, 3553180, 4983247, 5722660, 7106360, 9966494, 11445320, 19932988, 24916235, 39865976, 49832470, 99664940, 199329880, 503307947, 1006615894, 2013231788, 2516539735, 4026463576, 5033079470, 10066158940, 20132317880]

約数ペア:

[(1, 20132317880), (2, 10066158940), (4, 5033079470), (5, 4026463576), (8, 2516539735), (10, 2013231788), (20, 1006615894), (40, 503307947), (101, 199329880), (202, 99664940), (404, 49832470), (505, 39865976), (808, 24916235), (1010, 19932988), (1759, 11445320), (2020, 9966494), (2833, 7106360), (3518, 5722660), (4040, 4983247), (5666, 3553180), (7036, 2861330), (8795, 2289064), (11332, 1776590), (14072, 1430665), (14165, 1421272), (17590, 1144532), (22664, 888295), (28330, 710636), (35180, 572266), (56660, 355318), (70360, 286133), (113320, 177659)]