20472282

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 25286886

約数列:

[1, 2, 3, 6, 9, 18, 71, 83, 142, 166, 193, 213, 249, 386, 426, 498, 579, 639, 747, 1158, 1278, 1494, 1737, 3474, 5893, 11786, 13703, 16019, 17679, 27406, 32038, 35358, 41109, 48057, 53037, 82218, 96114, 106074, 123327, 144171, 246654, 288342, 1137349, 2274698, 3412047, 6824094, 10236141, 20472282]

約数ペア:

[(1, 20472282), (2, 10236141), (3, 6824094), (6, 3412047), (9, 2274698), (18, 1137349), (71, 288342), (83, 246654), (142, 144171), (166, 123327), (193, 106074), (213, 96114), (249, 82218), (386, 53037), (426, 48057), (498, 41109), (579, 35358), (639, 32038), (747, 27406), (1158, 17679), (1278, 16019), (1494, 13703), (1737, 11786), (3474, 5893)]