20147504

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7451}}^1$

素因数の和:7485

約数の個数: 30

約数和(自身を含む): 42275196

約数和(自身を除く): 22127692

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7451, 14902, 29804, 59608, 96863, 119216, 193726, 387452, 774904, 1259219, 1549808, 2518438, 5036876, 10073752, 20147504]

約数ペア:

[(1, 20147504), (2, 10073752), (4, 5036876), (8, 2518438), (13, 1549808), (16, 1259219), (26, 774904), (52, 387452), (104, 193726), (169, 119216), (208, 96863), (338, 59608), (676, 29804), (1352, 14902), (2704, 7451)]