20173049946

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{188579}}^1$

素因数の和:188880

約数の個数: 64

約数和(自身を含む): 51414451200

約数和(自身を除く): 31241401254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 283, 378, 566, 849, 1698, 1981, 2547, 3962, 5094, 5943, 7641, 11886, 15282, 17829, 35658, 53487, 106974, 188579, 377158, 565737, 1131474, 1320053, 1697211, 2640106, 3394422, 3960159, 5091633, 7920318, 10183266, 11880477, 23760954, 35641431, 53367857, 71282862, 106735714, 160103571, 320207142, 373574999, 480310713, 747149998, 960621426, 1120724997, 1440932139, 2241449994, 2881864278, 3362174991, 6724349982, 10086524973, 20173049946]

約数ペア:

[(1, 20173049946), (2, 10086524973), (3, 6724349982), (6, 3362174991), (7, 2881864278), (9, 2241449994), (14, 1440932139), (18, 1120724997), (21, 960621426), (27, 747149998), (42, 480310713), (54, 373574999), (63, 320207142), (126, 160103571), (189, 106735714), (283, 71282862), (378, 53367857), (566, 35641431), (849, 23760954), (1698, 11880477), (1981, 10183266), (2547, 7920318), (3962, 5091633), (5094, 3960159), (5943, 3394422), (7641, 2640106), (11886, 1697211), (15282, 1320053), (17829, 1131474), (35658, 565737), (53487, 377158), (106974, 188579)]