16720074

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 44323200

約数和(自身を除く): 27603126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 71, 89, 98, 126, 142, 147, 178, 189, 213, 267, 294, 378, 426, 441, 497, 534, 623, 639, 801, 882, 994, 1246, 1278, 1323, 1491, 1602, 1869, 1917, 2403, 2646, 2982, 3479, 3738, 3834, 4361, 4473, 4806, 5607, 6319, 6958, 8722, 8946, 10437, 11214, 12638, 13083, 13419, 16821, 18957, 20874, 26166, 26838, 31311, 33642, 37914, 39249, 44233, 56871, 62622, 78498, 88466, 93933, 113742, 117747, 132699, 170613, 187866, 235494, 265398, 309631, 341226, 398097, 619262, 796194, 928893, 1194291, 1857786, 2388582, 2786679, 5573358, 8360037, 16720074]

約数ペア:

[(1, 16720074), (2, 8360037), (3, 5573358), (6, 2786679), (7, 2388582), (9, 1857786), (14, 1194291), (18, 928893), (21, 796194), (27, 619262), (42, 398097), (49, 341226), (54, 309631), (63, 265398), (71, 235494), (89, 187866), (98, 170613), (126, 132699), (142, 117747), (147, 113742), (178, 93933), (189, 88466), (213, 78498), (267, 62622), (294, 56871), (378, 44233), (426, 39249), (441, 37914), (497, 33642), (534, 31311), (623, 26838), (639, 26166), (801, 20874), (882, 18957), (994, 16821), (1246, 13419), (1278, 13083), (1323, 12638), (1491, 11214), (1602, 10437), (1869, 8946), (1917, 8722), (2403, 6958), (2646, 6319), (2982, 5607), (3479, 4806), (3738, 4473), (3834, 4361)]