20189597580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3867739}}^1$

素因数の和:3867783

約数の個数: 72

約数和(自身を含む): 63353581200

約数和(自身を除く): 43163983620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 3867739, 7735478, 11603217, 15470956, 19338695, 23206434, 34809651, 38677390, 46412868, 58016085, 69619302, 77354780, 112164431, 116032170, 139238604, 174048255, 224328862, 232064340, 336493293, 348096510, 448657724, 560822155, 672986586, 696193020, 1009479879, 1121644310, 1345973172, 1682466465, 2018959758, 2243288620, 3364932930, 4037919516, 5047399395, 6729865860, 10094798790, 20189597580]

約数ペア:

[(1, 20189597580), (2, 10094798790), (3, 6729865860), (4, 5047399395), (5, 4037919516), (6, 3364932930), (9, 2243288620), (10, 2018959758), (12, 1682466465), (15, 1345973172), (18, 1121644310), (20, 1009479879), (29, 696193020), (30, 672986586), (36, 560822155), (45, 448657724), (58, 348096510), (60, 336493293), (87, 232064340), (90, 224328862), (116, 174048255), (145, 139238604), (174, 116032170), (180, 112164431), (261, 77354780), (290, 69619302), (348, 58016085), (435, 46412868), (522, 38677390), (580, 34809651), (870, 23206434), (1044, 19338695), (1305, 15470956), (1740, 11603217), (2610, 7735478), (5220, 3867739)]