20922768

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 62416640

約数和(自身を除く): 41493872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 43, 48, 62, 72, 86, 93, 109, 124, 129, 144, 172, 186, 218, 248, 258, 279, 327, 344, 372, 387, 436, 496, 516, 558, 654, 688, 744, 774, 872, 981, 1032, 1116, 1308, 1333, 1488, 1548, 1744, 1962, 2064, 2232, 2616, 2666, 3096, 3379, 3924, 3999, 4464, 4687, 5232, 5332, 6192, 6758, 7848, 7998, 9374, 10137, 10664, 11997, 13516, 14061, 15696, 15996, 18748, 20274, 21328, 23994, 27032, 28122, 30411, 31992, 37496, 40548, 42183, 47988, 54064, 56244, 60822, 63984, 74992, 81096, 84366, 95976, 112488, 121644, 145297, 162192, 168732, 191952, 224976, 243288, 290594, 337464, 435891, 486576, 581188, 674928, 871782, 1162376, 1307673, 1743564, 2324752, 2615346, 3487128, 5230692, 6974256, 10461384, 20922768]

約数ペア:

[(1, 20922768), (2, 10461384), (3, 6974256), (4, 5230692), (6, 3487128), (8, 2615346), (9, 2324752), (12, 1743564), (16, 1307673), (18, 1162376), (24, 871782), (31, 674928), (36, 581188), (43, 486576), (48, 435891), (62, 337464), (72, 290594), (86, 243288), (93, 224976), (109, 191952), (124, 168732), (129, 162192), (144, 145297), (172, 121644), (186, 112488), (218, 95976), (248, 84366), (258, 81096), (279, 74992), (327, 63984), (344, 60822), (372, 56244), (387, 54064), (436, 47988), (496, 42183), (516, 40548), (558, 37496), (654, 31992), (688, 30411), (744, 28122), (774, 27032), (872, 23994), (981, 21328), (1032, 20274), (1116, 18748), (1308, 15996), (1333, 15696), (1488, 14061), (1548, 13516), (1744, 11997), (1962, 10664), (2064, 10137), (2232, 9374), (2616, 7998), (2666, 7848), (3096, 6758), (3379, 6192), (3924, 5332), (3999, 5232), (4464, 4687)]