20147647792

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{9915181}}^1$

素因数の和:9915316

約数の個数: 20

約数和(自身を含む): 39343442176

約数和(自身を除く): 19195794384

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 9915181, 19830362, 39660724, 79321448, 158642896, 1259227987, 2518455974, 5036911948, 10073823896, 20147647792]

約数ペア:

[(1, 20147647792), (2, 10073823896), (4, 5036911948), (8, 2518455974), (16, 1259227987), (127, 158642896), (254, 79321448), (508, 39660724), (1016, 19830362), (2032, 9915181)]