20158866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 55630848

約数和(自身を除く): 35471982

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 397, 403, 434, 546, 558, 651, 794, 806, 819, 1191, 1209, 1302, 1638, 1953, 2382, 2418, 2779, 2821, 3573, 3627, 3906, 5161, 5558, 5642, 7146, 7254, 8337, 8463, 10322, 12307, 15483, 16674, 16926, 24614, 25011, 25389, 30966, 36127, 36921, 46449, 50022, 50778, 72254, 73842, 86149, 92898, 108381, 110763, 159991, 172298, 216762, 221526, 258447, 319982, 325143, 479973, 516894, 650286, 775341, 959946, 1119937, 1439919, 1550682, 2239874, 2879838, 3359811, 6719622, 10079433, 20158866]

約数ペア:

[(1, 20158866), (2, 10079433), (3, 6719622), (6, 3359811), (7, 2879838), (9, 2239874), (13, 1550682), (14, 1439919), (18, 1119937), (21, 959946), (26, 775341), (31, 650286), (39, 516894), (42, 479973), (62, 325143), (63, 319982), (78, 258447), (91, 221526), (93, 216762), (117, 172298), (126, 159991), (182, 110763), (186, 108381), (217, 92898), (234, 86149), (273, 73842), (279, 72254), (397, 50778), (403, 50022), (434, 46449), (546, 36921), (558, 36127), (651, 30966), (794, 25389), (806, 25011), (819, 24614), (1191, 16926), (1209, 16674), (1302, 15483), (1638, 12307), (1953, 10322), (2382, 8463), (2418, 8337), (2779, 7254), (2821, 7146), (3573, 5642), (3627, 5558), (3906, 5161)]