20914308

素因数分解:

$2^2\times 3^3\times {\mathrm{197}}^1\times {\mathrm{983}}^1$

素因数の和:1193

約数の個数: 48

約数和(自身を含む): 54552960

約数和(自身を除く): 33638652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197, 394, 591, 788, 983, 1182, 1773, 1966, 2364, 2949, 3546, 3932, 5319, 5898, 7092, 8847, 10638, 11796, 17694, 21276, 26541, 35388, 53082, 106164, 193651, 387302, 580953, 774604, 1161906, 1742859, 2323812, 3485718, 5228577, 6971436, 10457154, 20914308]

約数ペア:

[(1, 20914308), (2, 10457154), (3, 6971436), (4, 5228577), (6, 3485718), (9, 2323812), (12, 1742859), (18, 1161906), (27, 774604), (36, 580953), (54, 387302), (108, 193651), (197, 106164), (394, 53082), (591, 35388), (788, 26541), (983, 21276), (1182, 17694), (1773, 11796), (1966, 10638), (2364, 8847), (2949, 7092), (3546, 5898), (3932, 5319)]