20859342

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 50663424

約数和(自身を除く): 29804082

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 37, 42, 62, 74, 93, 111, 186, 217, 222, 259, 433, 434, 518, 651, 777, 866, 1147, 1299, 1302, 1554, 2294, 2598, 3031, 3441, 6062, 6882, 8029, 9093, 13423, 16021, 16058, 18186, 24087, 26846, 32042, 40269, 48063, 48174, 80538, 93961, 96126, 112147, 187922, 224294, 281883, 336441, 496651, 563766, 672882, 993302, 1489953, 2979906, 3476557, 6953114, 10429671, 20859342]

約数ペア:

[(1, 20859342), (2, 10429671), (3, 6953114), (6, 3476557), (7, 2979906), (14, 1489953), (21, 993302), (31, 672882), (37, 563766), (42, 496651), (62, 336441), (74, 281883), (93, 224294), (111, 187922), (186, 112147), (217, 96126), (222, 93961), (259, 80538), (433, 48174), (434, 48063), (518, 40269), (651, 32042), (777, 26846), (866, 24087), (1147, 18186), (1299, 16058), (1302, 16021), (1554, 13423), (2294, 9093), (2598, 8029), (3031, 6882), (3441, 6062)]