20874264

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 54172800

約数和(自身を除く): 33298536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 113, 129, 172, 179, 226, 258, 339, 344, 358, 452, 516, 537, 678, 716, 904, 1032, 1074, 1356, 1432, 2148, 2712, 4296, 4859, 7697, 9718, 14577, 15394, 19436, 20227, 23091, 29154, 30788, 38872, 40454, 46182, 58308, 60681, 61576, 80908, 92364, 116616, 121362, 161816, 184728, 242724, 485448, 869761, 1739522, 2609283, 3479044, 5218566, 6958088, 10437132, 20874264]

約数ペア:

[(1, 20874264), (2, 10437132), (3, 6958088), (4, 5218566), (6, 3479044), (8, 2609283), (12, 1739522), (24, 869761), (43, 485448), (86, 242724), (113, 184728), (129, 161816), (172, 121362), (179, 116616), (226, 92364), (258, 80908), (339, 61576), (344, 60681), (358, 58308), (452, 46182), (516, 40454), (537, 38872), (678, 30788), (716, 29154), (904, 23091), (1032, 20227), (1074, 19436), (1356, 15394), (1432, 14577), (2148, 9718), (2712, 7697), (4296, 4859)]