20161987174

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1021}}^1\times {\mathrm{8761}}^1$

素因数の和:9821

約数の個数: 48

約数和(自身を含む): 36750351456

約数和(自身を除く): 16588364282

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1021, 1127, 2042, 2254, 7147, 8761, 14294, 17522, 23483, 46966, 50029, 61327, 100058, 122654, 164381, 201503, 328762, 403006, 429289, 858578, 1150667, 1410521, 2301334, 2821042, 8944981, 9873647, 17889962, 19747294, 62614867, 125229734, 205734563, 411469126, 438304069, 876608138, 1440141941, 2880283882, 10080993587, 20161987174]

約数ペア:

[(1, 20161987174), (2, 10080993587), (7, 2880283882), (14, 1440141941), (23, 876608138), (46, 438304069), (49, 411469126), (98, 205734563), (161, 125229734), (322, 62614867), (1021, 19747294), (1127, 17889962), (2042, 9873647), (2254, 8944981), (7147, 2821042), (8761, 2301334), (14294, 1410521), (17522, 1150667), (23483, 858578), (46966, 429289), (50029, 403006), (61327, 328762), (100058, 201503), (122654, 164381)]