20711160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 70041600

約数和(自身を除く): 49330440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 151, 180, 216, 254, 270, 302, 360, 381, 453, 508, 540, 604, 635, 755, 762, 906, 1016, 1080, 1143, 1208, 1270, 1359, 1510, 1524, 1812, 1905, 2265, 2286, 2540, 2718, 3020, 3048, 3429, 3624, 3810, 4077, 4530, 4572, 5080, 5436, 5715, 6040, 6795, 6858, 7620, 8154, 9060, 9144, 10872, 11430, 13590, 13716, 15240, 16308, 17145, 18120, 19177, 20385, 22860, 27180, 27432, 32616, 34290, 38354, 40770, 45720, 54360, 57531, 68580, 76708, 81540, 95885, 115062, 137160, 153416, 163080, 172593, 191770, 230124, 287655, 345186, 383540, 460248, 517779, 575310, 690372, 767080, 862965, 1035558, 1150620, 1380744, 1725930, 2071116, 2301240, 2588895, 3451860, 4142232, 5177790, 6903720, 10355580, 20711160]

約数ペア:

[(1, 20711160), (2, 10355580), (3, 6903720), (4, 5177790), (5, 4142232), (6, 3451860), (8, 2588895), (9, 2301240), (10, 2071116), (12, 1725930), (15, 1380744), (18, 1150620), (20, 1035558), (24, 862965), (27, 767080), (30, 690372), (36, 575310), (40, 517779), (45, 460248), (54, 383540), (60, 345186), (72, 287655), (90, 230124), (108, 191770), (120, 172593), (127, 163080), (135, 153416), (151, 137160), (180, 115062), (216, 95885), (254, 81540), (270, 76708), (302, 68580), (360, 57531), (381, 54360), (453, 45720), (508, 40770), (540, 38354), (604, 34290), (635, 32616), (755, 27432), (762, 27180), (906, 22860), (1016, 20385), (1080, 19177), (1143, 18120), (1208, 17145), (1270, 16308), (1359, 15240), (1510, 13716), (1524, 13590), (1812, 11430), (1905, 10872), (2265, 9144), (2286, 9060), (2540, 8154), (2718, 7620), (3020, 6858), (3048, 6795), (3429, 6040), (3624, 5715), (3810, 5436), (4077, 5080), (4530, 4572)]