20172876486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1543}}^1$

素因数の和:1818

約数の個数: 128

約数和(自身を含む): 48664903680

約数和(自身を除く): 28492027194

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 47, 74, 94, 111, 141, 179, 222, 259, 282, 329, 358, 518, 537, 658, 777, 987, 1074, 1253, 1543, 1554, 1739, 1974, 2506, 3086, 3478, 3759, 4629, 5217, 6623, 7518, 8413, 9258, 10434, 10801, 12173, 13246, 16826, 19869, 21602, 24346, 25239, 32403, 36519, 39738, 46361, 50478, 57091, 58891, 64806, 72521, 73038, 92722, 114182, 117782, 139083, 145042, 171273, 176673, 217563, 276197, 278166, 311281, 342546, 353346, 399637, 435126, 507647, 552394, 622562, 799274, 828591, 933843, 1015294, 1198911, 1522941, 1657182, 1867686, 1933379, 2178967, 2397822, 2683277, 3045882, 3866758, 4357934, 5366554, 5800137, 6536901, 8049831, 10219289, 11600274, 12981259, 13073802, 16099662, 18782939, 20438578, 25962518, 30657867, 37565878, 38943777, 56348817, 61315734, 71535023, 77887554, 90868813, 112697634, 143070046, 181737626, 214605069, 272606439, 429210138, 480306583, 545212878, 960613166, 1440919749, 2881839498, 3362146081, 6724292162, 10086438243, 20172876486]

約数ペア:

[(1, 20172876486), (2, 10086438243), (3, 6724292162), (6, 3362146081), (7, 2881839498), (14, 1440919749), (21, 960613166), (37, 545212878), (42, 480306583), (47, 429210138), (74, 272606439), (94, 214605069), (111, 181737626), (141, 143070046), (179, 112697634), (222, 90868813), (259, 77887554), (282, 71535023), (329, 61315734), (358, 56348817), (518, 38943777), (537, 37565878), (658, 30657867), (777, 25962518), (987, 20438578), (1074, 18782939), (1253, 16099662), (1543, 13073802), (1554, 12981259), (1739, 11600274), (1974, 10219289), (2506, 8049831), (3086, 6536901), (3478, 5800137), (3759, 5366554), (4629, 4357934), (5217, 3866758), (6623, 3045882), (7518, 2683277), (8413, 2397822), (9258, 2178967), (10434, 1933379), (10801, 1867686), (12173, 1657182), (13246, 1522941), (16826, 1198911), (19869, 1015294), (21602, 933843), (24346, 828591), (25239, 799274), (32403, 622562), (36519, 552394), (39738, 507647), (46361, 435126), (50478, 399637), (57091, 353346), (58891, 342546), (64806, 311281), (72521, 278166), (73038, 276197), (92722, 217563), (114182, 176673), (117782, 171273), (139083, 145042)]