20158266429

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2273}}^1$

素因数の和:2575

約数の個数: 96

約数和(自身を含む): 36325785600

約数和(自身を除く): 16167519171

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 239, 279, 399, 589, 651, 717, 1197, 1673, 1767, 1953, 2151, 2273, 4123, 4541, 5019, 5301, 6819, 7409, 12369, 13623, 15057, 15911, 20457, 22227, 31787, 37107, 40869, 43187, 47733, 51863, 66681, 70463, 95361, 129561, 140771, 143199, 155589, 211389, 286083, 302309, 388683, 422313, 466767, 493241, 543247, 634167, 906927, 985397, 1266939, 1338797, 1479723, 1629741, 2720781, 2956191, 3802729, 4016391, 4439169, 4889223, 8868573, 9371579, 10321693, 11408187, 12049173, 16840657, 28114737, 30965079, 34224561, 50521971, 72251851, 84344211, 92895237, 117884599, 151565913, 216755553, 319972483, 353653797, 650266659, 959917449, 1060961391, 2239807381, 2879752347, 6719422143, 20158266429]

約数ペア:

[(1, 20158266429), (3, 6719422143), (7, 2879752347), (9, 2239807381), (19, 1060961391), (21, 959917449), (31, 650266659), (57, 353653797), (63, 319972483), (93, 216755553), (133, 151565913), (171, 117884599), (217, 92895237), (239, 84344211), (279, 72251851), (399, 50521971), (589, 34224561), (651, 30965079), (717, 28114737), (1197, 16840657), (1673, 12049173), (1767, 11408187), (1953, 10321693), (2151, 9371579), (2273, 8868573), (4123, 4889223), (4541, 4439169), (5019, 4016391), (5301, 3802729), (6819, 2956191), (7409, 2720781), (12369, 1629741), (13623, 1479723), (15057, 1338797), (15911, 1266939), (20457, 985397), (22227, 906927), (31787, 634167), (37107, 543247), (40869, 493241), (43187, 466767), (47733, 422313), (51863, 388683), (66681, 302309), (70463, 286083), (95361, 211389), (129561, 155589), (140771, 143199)]