20167498540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{334231}}^1$

素因数の和:334678

約数の個数: 48

約数和(自身を含む): 48514443264

約数和(自身を除く): 28346944724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1724, 2155, 3017, 4310, 6034, 8620, 12068, 15085, 30170, 60340, 334231, 668462, 1336924, 1671155, 2339617, 3342310, 4679234, 6684620, 9358468, 11698085, 23396170, 46792340, 144053561, 288107122, 576214244, 720267805, 1008374927, 1440535610, 2016749854, 2881071220, 4033499708, 5041874635, 10083749270, 20167498540]

約数ペア:

[(1, 20167498540), (2, 10083749270), (4, 5041874635), (5, 4033499708), (7, 2881071220), (10, 2016749854), (14, 1440535610), (20, 1008374927), (28, 720267805), (35, 576214244), (70, 288107122), (140, 144053561), (431, 46792340), (862, 23396170), (1724, 11698085), (2155, 9358468), (3017, 6684620), (4310, 4679234), (6034, 3342310), (8620, 2339617), (12068, 1671155), (15085, 1336924), (30170, 668462), (60340, 334231)]