19906240

素因数分解:

$2^6\times 5^1\times {\mathrm{62207}}^1$

素因数の和:62224

約数の個数: 28

約数和(自身を含む): 47402496

約数和(自身を除く): 27496256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62207, 124414, 248828, 311035, 497656, 622070, 995312, 1244140, 1990624, 2488280, 3981248, 4976560, 9953120, 19906240]

約数ペア:

[(1, 19906240), (2, 9953120), (4, 4976560), (5, 3981248), (8, 2488280), (10, 1990624), (16, 1244140), (20, 995312), (32, 622070), (40, 497656), (64, 311035), (80, 248828), (160, 124414), (320, 62207)]