20596860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 67931136

約数和(自身を除く): 47334276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 53, 60, 68, 85, 90, 102, 106, 127, 153, 159, 170, 180, 204, 212, 254, 255, 265, 306, 318, 340, 381, 477, 508, 510, 530, 612, 635, 636, 762, 765, 795, 901, 954, 1020, 1060, 1143, 1270, 1524, 1530, 1590, 1802, 1905, 1908, 2159, 2286, 2385, 2540, 2703, 3060, 3180, 3604, 3810, 4318, 4505, 4572, 4770, 5406, 5715, 6477, 6731, 7620, 8109, 8636, 9010, 9540, 10795, 10812, 11430, 12954, 13462, 13515, 16218, 18020, 19431, 20193, 21590, 22860, 25908, 26924, 27030, 32385, 32436, 33655, 38862, 40386, 40545, 43180, 54060, 60579, 64770, 67310, 77724, 80772, 81090, 97155, 100965, 114427, 121158, 129540, 134620, 162180, 194310, 201930, 228854, 242316, 302895, 343281, 388620, 403860, 457708, 572135, 605790, 686562, 1029843, 1144270, 1211580, 1373124, 1716405, 2059686, 2288540, 3432810, 4119372, 5149215, 6865620, 10298430, 20596860]

約数ペア:

[(1, 20596860), (2, 10298430), (3, 6865620), (4, 5149215), (5, 4119372), (6, 3432810), (9, 2288540), (10, 2059686), (12, 1716405), (15, 1373124), (17, 1211580), (18, 1144270), (20, 1029843), (30, 686562), (34, 605790), (36, 572135), (45, 457708), (51, 403860), (53, 388620), (60, 343281), (68, 302895), (85, 242316), (90, 228854), (102, 201930), (106, 194310), (127, 162180), (153, 134620), (159, 129540), (170, 121158), (180, 114427), (204, 100965), (212, 97155), (254, 81090), (255, 80772), (265, 77724), (306, 67310), (318, 64770), (340, 60579), (381, 54060), (477, 43180), (508, 40545), (510, 40386), (530, 38862), (612, 33655), (635, 32436), (636, 32385), (762, 27030), (765, 26924), (795, 25908), (901, 22860), (954, 21590), (1020, 20193), (1060, 19431), (1143, 18020), (1270, 16218), (1524, 13515), (1530, 13462), (1590, 12954), (1802, 11430), (1905, 10812), (1908, 10795), (2159, 9540), (2286, 9010), (2385, 8636), (2540, 8109), (2703, 7620), (3060, 6731), (3180, 6477), (3604, 5715), (3810, 5406), (4318, 4770), (4505, 4572)]