20199754890

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{50177}}^1$

素因数の和:50274

約数の個数: 160

約数和(自身を含む): 62949705984

約数和(自身を除く): 42749951094

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 81, 90, 105, 126, 135, 142, 162, 189, 210, 213, 270, 315, 355, 378, 405, 426, 497, 567, 630, 639, 710, 810, 945, 994, 1065, 1134, 1278, 1491, 1890, 1917, 2130, 2485, 2835, 2982, 3195, 3834, 4473, 4970, 5670, 5751, 6390, 7455, 8946, 9585, 11502, 13419, 14910, 19170, 22365, 26838, 28755, 40257, 44730, 50177, 57510, 67095, 80514, 100354, 134190, 150531, 201285, 250885, 301062, 351239, 402570, 451593, 501770, 702478, 752655, 903186, 1053717, 1354779, 1505310, 1756195, 2107434, 2257965, 2709558, 3161151, 3512390, 3562567, 4064337, 4515930, 5268585, 6322302, 6773895, 7125134, 8128674, 9483453, 10537170, 10687701, 13547790, 15805755, 17812835, 18966906, 20321685, 21375402, 24937969, 28450359, 31611510, 32063103, 35625670, 40643370, 47417265, 49875938, 53438505, 56900718, 64126206, 74813907, 94834530, 96189309, 106877010, 124689845, 142251795, 149627814, 160315515, 192378618, 224441721, 249379690, 284503590, 288567927, 320631030, 374069535, 448883442, 480946545, 577135854, 673325163, 748139070, 961893090, 1122208605, 1346650326, 1442839635, 2019975489, 2244417210, 2885679270, 3366625815, 4039950978, 6733251630, 10099877445, 20199754890]

約数ペア:

[(1, 20199754890), (2, 10099877445), (3, 6733251630), (5, 4039950978), (6, 3366625815), (7, 2885679270), (9, 2244417210), (10, 2019975489), (14, 1442839635), (15, 1346650326), (18, 1122208605), (21, 961893090), (27, 748139070), (30, 673325163), (35, 577135854), (42, 480946545), (45, 448883442), (54, 374069535), (63, 320631030), (70, 288567927), (71, 284503590), (81, 249379690), (90, 224441721), (105, 192378618), (126, 160315515), (135, 149627814), (142, 142251795), (162, 124689845), (189, 106877010), (210, 96189309), (213, 94834530), (270, 74813907), (315, 64126206), (355, 56900718), (378, 53438505), (405, 49875938), (426, 47417265), (497, 40643370), (567, 35625670), (630, 32063103), (639, 31611510), (710, 28450359), (810, 24937969), (945, 21375402), (994, 20321685), (1065, 18966906), (1134, 17812835), (1278, 15805755), (1491, 13547790), (1890, 10687701), (1917, 10537170), (2130, 9483453), (2485, 8128674), (2835, 7125134), (2982, 6773895), (3195, 6322302), (3834, 5268585), (4473, 4515930), (4970, 4064337), (5670, 3562567), (5751, 3512390), (6390, 3161151), (7455, 2709558), (8946, 2257965), (9585, 2107434), (11502, 1756195), (13419, 1505310), (14910, 1354779), (19170, 1053717), (22365, 903186), (26838, 752655), (28755, 702478), (40257, 501770), (44730, 451593), (50177, 402570), (57510, 351239), (67095, 301062), (80514, 250885), (100354, 201285), (134190, 150531)]