20199930128

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^2\times {\mathrm{89153}}^1$

素因数の和:89209

約数の個数: 90

約数和(自身を含む): 48363281226

約数和(自身を除く): 28163351098

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 289, 392, 476, 578, 784, 833, 952, 1156, 1666, 1904, 2023, 2312, 3332, 4046, 4624, 6664, 8092, 13328, 14161, 16184, 28322, 32368, 56644, 89153, 113288, 178306, 226576, 356612, 624071, 713224, 1248142, 1426448, 1515601, 2496284, 3031202, 4368497, 4992568, 6062404, 8736994, 9985136, 10609207, 12124808, 17473988, 21218414, 24249616, 25765217, 34947976, 42436828, 51530434, 69895952, 74264449, 84873656, 103060868, 148528898, 169747312, 180356519, 206121736, 297057796, 360713038, 412243472, 594115592, 721426076, 1188231184, 1262495633, 1442852152, 2524991266, 2885704304, 5049982532, 10099965064, 20199930128]

約数ペア:

[(1, 20199930128), (2, 10099965064), (4, 5049982532), (7, 2885704304), (8, 2524991266), (14, 1442852152), (16, 1262495633), (17, 1188231184), (28, 721426076), (34, 594115592), (49, 412243472), (56, 360713038), (68, 297057796), (98, 206121736), (112, 180356519), (119, 169747312), (136, 148528898), (196, 103060868), (238, 84873656), (272, 74264449), (289, 69895952), (392, 51530434), (476, 42436828), (578, 34947976), (784, 25765217), (833, 24249616), (952, 21218414), (1156, 17473988), (1666, 12124808), (1904, 10609207), (2023, 9985136), (2312, 8736994), (3332, 6062404), (4046, 4992568), (4624, 4368497), (6664, 3031202), (8092, 2496284), (13328, 1515601), (14161, 1426448), (16184, 1248142), (28322, 713224), (32368, 624071), (56644, 356612), (89153, 226576), (113288, 178306)]