20429123

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 25858560

約数和(自身を除く): 5429437

約数列:

[1, 11, 13, 19, 73, 103, 143, 209, 247, 803, 949, 1133, 1339, 1387, 1957, 2717, 7519, 10439, 14729, 15257, 18031, 21527, 25441, 82709, 97747, 142861, 198341, 279851, 1075217, 1571471, 1857193, 20429123]

約数ペア:

[(1, 20429123), (11, 1857193), (13, 1571471), (19, 1075217), (73, 279851), (103, 198341), (143, 142861), (209, 97747), (247, 82709), (803, 25441), (949, 21527), (1133, 18031), (1339, 15257), (1387, 14729), (1957, 10439), (2717, 7519)]