20188693791

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{23831}}^1$

素因数の和:23981

約数の個数: 72

約数和(自身を含む): 36237318624

約数和(自身を除く): 16048624833

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 113, 119, 147, 153, 339, 357, 441, 791, 833, 1017, 1071, 1921, 2373, 2499, 5537, 5763, 7119, 7497, 13447, 16611, 17289, 23831, 40341, 49833, 71493, 94129, 121023, 166817, 214479, 282387, 405127, 500451, 847161, 1167719, 1215381, 1501353, 2692903, 2835889, 3503157, 3646143, 8078709, 8507667, 10509471, 18850321, 19851223, 24236127, 25523001, 45779351, 56550963, 59553669, 131952247, 137338053, 169652889, 178661007, 320455457, 395856741, 412014159, 961366371, 1187570223, 2243188199, 2884099113, 6729564597, 20188693791]

約数ペア:

[(1, 20188693791), (3, 6729564597), (7, 2884099113), (9, 2243188199), (17, 1187570223), (21, 961366371), (49, 412014159), (51, 395856741), (63, 320455457), (113, 178661007), (119, 169652889), (147, 137338053), (153, 131952247), (339, 59553669), (357, 56550963), (441, 45779351), (791, 25523001), (833, 24236127), (1017, 19851223), (1071, 18850321), (1921, 10509471), (2373, 8507667), (2499, 8078709), (5537, 3646143), (5763, 3503157), (7119, 2835889), (7497, 2692903), (13447, 1501353), (16611, 1215381), (17289, 1167719), (23831, 847161), (40341, 500451), (49833, 405127), (71493, 282387), (94129, 214479), (121023, 166817)]