20266680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1093

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 52309320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1049, 1288, 1380, 1610, 1932, 2098, 2415, 2760, 3147, 3220, 3864, 4196, 4830, 5245, 6294, 6440, 7343, 8392, 9660, 10490, 12588, 14686, 15735, 19320, 20980, 22029, 24127, 25176, 29372, 31470, 36715, 41960, 44058, 48254, 58744, 62940, 72381, 73430, 88116, 96508, 110145, 120635, 125880, 144762, 146860, 168889, 176232, 193016, 220290, 241270, 289524, 293720, 337778, 361905, 440580, 482540, 506667, 579048, 675556, 723810, 844445, 881160, 965080, 1013334, 1351112, 1447620, 1688890, 2026668, 2533335, 2895240, 3377780, 4053336, 5066670, 6755560, 10133340, 20266680]

約数ペア:

[(1, 20266680), (2, 10133340), (3, 6755560), (4, 5066670), (5, 4053336), (6, 3377780), (7, 2895240), (8, 2533335), (10, 2026668), (12, 1688890), (14, 1447620), (15, 1351112), (20, 1013334), (21, 965080), (23, 881160), (24, 844445), (28, 723810), (30, 675556), (35, 579048), (40, 506667), (42, 482540), (46, 440580), (56, 361905), (60, 337778), (69, 293720), (70, 289524), (84, 241270), (92, 220290), (105, 193016), (115, 176232), (120, 168889), (138, 146860), (140, 144762), (161, 125880), (168, 120635), (184, 110145), (210, 96508), (230, 88116), (276, 73430), (280, 72381), (322, 62940), (345, 58744), (420, 48254), (460, 44058), (483, 41960), (552, 36715), (644, 31470), (690, 29372), (805, 25176), (840, 24127), (920, 22029), (966, 20980), (1049, 19320), (1288, 15735), (1380, 14686), (1610, 12588), (1932, 10490), (2098, 9660), (2415, 8392), (2760, 7343), (3147, 6440), (3220, 6294), (3864, 5245), (4196, 4830)]