20217060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 96

約数和(自身を含む): 65116800

約数和(自身を除く): 44899740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1291, 1305, 1566, 1740, 2582, 2610, 3132, 3873, 3915, 5164, 5220, 6455, 7746, 7830, 11619, 12910, 15492, 15660, 19365, 23238, 25820, 34857, 37439, 38730, 46476, 58095, 69714, 74878, 77460, 112317, 116190, 139428, 149756, 174285, 187195, 224634, 232380, 336951, 348570, 374390, 449268, 561585, 673902, 697140, 748780, 1010853, 1123170, 1347804, 1684755, 2021706, 2246340, 3369510, 4043412, 5054265, 6739020, 10108530, 20217060]

約数ペア:

[(1, 20217060), (2, 10108530), (3, 6739020), (4, 5054265), (5, 4043412), (6, 3369510), (9, 2246340), (10, 2021706), (12, 1684755), (15, 1347804), (18, 1123170), (20, 1010853), (27, 748780), (29, 697140), (30, 673902), (36, 561585), (45, 449268), (54, 374390), (58, 348570), (60, 336951), (87, 232380), (90, 224634), (108, 187195), (116, 174285), (135, 149756), (145, 139428), (174, 116190), (180, 112317), (261, 77460), (270, 74878), (290, 69714), (348, 58095), (435, 46476), (522, 38730), (540, 37439), (580, 34857), (783, 25820), (870, 23238), (1044, 19365), (1291, 15660), (1305, 15492), (1566, 12910), (1740, 11619), (2582, 7830), (2610, 7746), (3132, 6455), (3873, 5220), (3915, 5164)]