20144248

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 38666160

約数和(自身を除く): 18521912

約数列:

[1, 2, 4, 8, 101, 107, 202, 214, 233, 404, 428, 466, 808, 856, 932, 1864, 10807, 21614, 23533, 24931, 43228, 47066, 49862, 86456, 94132, 99724, 188264, 199448, 2518031, 5036062, 10072124, 20144248]

約数ペア:

[(1, 20144248), (2, 10072124), (4, 5036062), (8, 2518031), (101, 199448), (107, 188264), (202, 99724), (214, 94132), (233, 86456), (404, 49862), (428, 47066), (466, 43228), (808, 24931), (856, 23533), (932, 21614), (1864, 10807)]