20797284970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{628127}}^1$

素因数の和:628195

約数の個数: 64

約数和(自身を含む): 47757828096

約数和(自身を除く): 26960543126

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 770, 946, 1505, 2365, 3010, 3311, 4730, 6622, 16555, 33110, 628127, 1256254, 3140635, 4396889, 6281270, 6909397, 8793778, 13818794, 21984445, 27009461, 34546985, 43968890, 48365779, 54018922, 69093970, 96731558, 135047305, 189066227, 241828895, 270094610, 297104071, 378132454, 483657790, 594208142, 945331135, 1485520355, 1890662270, 2079728497, 2971040710, 4159456994, 10398642485, 20797284970]

約数ペア:

[(1, 20797284970), (2, 10398642485), (5, 4159456994), (7, 2971040710), (10, 2079728497), (11, 1890662270), (14, 1485520355), (22, 945331135), (35, 594208142), (43, 483657790), (55, 378132454), (70, 297104071), (77, 270094610), (86, 241828895), (110, 189066227), (154, 135047305), (215, 96731558), (301, 69093970), (385, 54018922), (430, 48365779), (473, 43968890), (602, 34546985), (770, 27009461), (946, 21984445), (1505, 13818794), (2365, 8793778), (3010, 6909397), (3311, 6281270), (4730, 4396889), (6622, 3140635), (16555, 1256254), (33110, 628127)]