20161392741

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{38039}}^1$

素因数の和:38278

約数の個数: 48

約数和(自身を含む): 34181222400

約数和(自身を除く): 14019829659

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 179, 329, 423, 537, 987, 1253, 1611, 2961, 3759, 8413, 11277, 25239, 38039, 58891, 75717, 114117, 176673, 266273, 342351, 530019, 798819, 1787833, 2396457, 5363499, 6808981, 12514831, 16090497, 20426943, 37544493, 47662867, 61280829, 112633479, 142988601, 320022107, 428965803, 960066321, 2240154749, 2880198963, 6720464247, 20161392741]

約数ペア:

[(1, 20161392741), (3, 6720464247), (7, 2880198963), (9, 2240154749), (21, 960066321), (47, 428965803), (63, 320022107), (141, 142988601), (179, 112633479), (329, 61280829), (423, 47662867), (537, 37544493), (987, 20426943), (1253, 16090497), (1611, 12514831), (2961, 6808981), (3759, 5363499), (8413, 2396457), (11277, 1787833), (25239, 798819), (38039, 530019), (58891, 342351), (75717, 266273), (114117, 176673)]