20188657620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1206013}}^1$

素因数の和:1206062

約数の個数: 96

約数和(自身を含む): 64835312640

約数和(自身を除く): 44646655020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 16740, 1206013, 2412026, 3618039, 4824052, 6030065, 7236078, 10854117, 12060130, 14472156, 18090195, 21708234, 24120260, 32562351, 36180390, 37386403, 43416468, 54270585, 65124702, 72360780, 74772806, 108541170, 112159209, 130249404, 149545612, 162811755, 186932015, 217082340, 224318418, 325623510, 336477627, 373864030, 448636836, 560796045, 651247020, 672955254, 747728060, 1009432881, 1121592090, 1345910508, 1682388135, 2018865762, 2243184180, 3364776270, 4037731524, 5047164405, 6729552540, 10094328810, 20188657620]

約数ペア:

[(1, 20188657620), (2, 10094328810), (3, 6729552540), (4, 5047164405), (5, 4037731524), (6, 3364776270), (9, 2243184180), (10, 2018865762), (12, 1682388135), (15, 1345910508), (18, 1121592090), (20, 1009432881), (27, 747728060), (30, 672955254), (31, 651247020), (36, 560796045), (45, 448636836), (54, 373864030), (60, 336477627), (62, 325623510), (90, 224318418), (93, 217082340), (108, 186932015), (124, 162811755), (135, 149545612), (155, 130249404), (180, 112159209), (186, 108541170), (270, 74772806), (279, 72360780), (310, 65124702), (372, 54270585), (465, 43416468), (540, 37386403), (558, 36180390), (620, 32562351), (837, 24120260), (930, 21708234), (1116, 18090195), (1395, 14472156), (1674, 12060130), (1860, 10854117), (2790, 7236078), (3348, 6030065), (4185, 4824052), (5580, 3618039), (8370, 2412026), (16740, 1206013)]