20172649750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{198257}}^1$

素因数の和:198322

約数の個数: 64

約数和(自身を含む): 42309843264

約数和(自身を除く): 22137193514

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 125, 185, 250, 275, 370, 407, 550, 814, 925, 1375, 1850, 2035, 2750, 4070, 4625, 9250, 10175, 20350, 50875, 101750, 198257, 396514, 991285, 1982570, 2180827, 4361654, 4956425, 7335509, 9912850, 10904135, 14671018, 21808270, 24782125, 36677545, 49564250, 54520675, 73355090, 80690599, 109041350, 161381198, 183387725, 272603375, 366775450, 403452995, 545206750, 806905990, 916938625, 1833877250, 2017264975, 4034529950, 10086324875, 20172649750]

約数ペア:

[(1, 20172649750), (2, 10086324875), (5, 4034529950), (10, 2017264975), (11, 1833877250), (22, 916938625), (25, 806905990), (37, 545206750), (50, 403452995), (55, 366775450), (74, 272603375), (110, 183387725), (125, 161381198), (185, 109041350), (250, 80690599), (275, 73355090), (370, 54520675), (407, 49564250), (550, 36677545), (814, 24782125), (925, 21808270), (1375, 14671018), (1850, 10904135), (2035, 9912850), (2750, 7335509), (4070, 4956425), (4625, 4361654), (9250, 2180827), (10175, 1982570), (20350, 991285), (50875, 396514), (101750, 198257)]