20171105420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1877}}^1\times {\mathrm{17333}}^1$

素因数の和:19250

約数の個数: 48

約数和(自身を含む): 43751570688

約数和(自身を除く): 23580465268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1877, 3754, 7508, 9385, 17333, 18770, 34666, 37540, 58187, 69332, 86665, 116374, 173330, 232748, 290935, 346660, 537323, 581870, 1074646, 1163740, 2149292, 2686615, 5373230, 10746460, 32534041, 65068082, 130136164, 162670205, 325340410, 650680820, 1008555271, 2017110542, 4034221084, 5042776355, 10085552710, 20171105420]

約数ペア:

[(1, 20171105420), (2, 10085552710), (4, 5042776355), (5, 4034221084), (10, 2017110542), (20, 1008555271), (31, 650680820), (62, 325340410), (124, 162670205), (155, 130136164), (310, 65068082), (620, 32534041), (1877, 10746460), (3754, 5373230), (7508, 2686615), (9385, 2149292), (17333, 1163740), (18770, 1074646), (34666, 581870), (37540, 537323), (58187, 346660), (69332, 290935), (86665, 232748), (116374, 173330)]