20287841292

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1013}}^1\times {\mathrm{3413}}^1$

素因数の和:4599

約数の個数: 72

約数和(自身を含む): 51663843504

約数和(自身を除く): 31376002212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1013, 1467, 1956, 2026, 2934, 3039, 3413, 4052, 5868, 6078, 6826, 9117, 10239, 12156, 13652, 18234, 20478, 30717, 36468, 40956, 61434, 122868, 165119, 330238, 495357, 556319, 660476, 990714, 1112638, 1486071, 1668957, 1981428, 2225276, 2972142, 3337914, 3457369, 5006871, 5944284, 6675828, 6914738, 10013742, 10372107, 13829476, 20027484, 20744214, 31116321, 41488428, 62232642, 124465284, 563551147, 1127102294, 1690653441, 2254204588, 3381306882, 5071960323, 6762613764, 10143920646, 20287841292]

約数ペア:

[(1, 20287841292), (2, 10143920646), (3, 6762613764), (4, 5071960323), (6, 3381306882), (9, 2254204588), (12, 1690653441), (18, 1127102294), (36, 563551147), (163, 124465284), (326, 62232642), (489, 41488428), (652, 31116321), (978, 20744214), (1013, 20027484), (1467, 13829476), (1956, 10372107), (2026, 10013742), (2934, 6914738), (3039, 6675828), (3413, 5944284), (4052, 5006871), (5868, 3457369), (6078, 3337914), (6826, 2972142), (9117, 2225276), (10239, 1981428), (12156, 1668957), (13652, 1486071), (18234, 1112638), (20478, 990714), (30717, 660476), (36468, 556319), (40956, 495357), (61434, 330238), (122868, 165119)]