20795929

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 6621671

約数列:

[1, 7, 11, 29, 67, 77, 139, 203, 319, 469, 737, 973, 1529, 1943, 2233, 4031, 5159, 9313, 10703, 13601, 21373, 28217, 44341, 65191, 102443, 149611, 270077, 310387, 717101, 1890539, 2970847, 20795929]

約数ペア:

[(1, 20795929), (7, 2970847), (11, 1890539), (29, 717101), (67, 310387), (77, 270077), (139, 149611), (203, 102443), (319, 65191), (469, 44341), (737, 28217), (973, 21373), (1529, 13601), (1943, 10703), (2233, 9313), (4031, 5159)]