20163605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 30578688

約数和(自身を除く): 10415083

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 385, 415, 581, 631, 913, 2905, 3155, 4417, 4565, 6391, 6941, 22085, 31955, 34705, 48587, 52373, 242935, 261865, 366611, 576103, 1833055, 2880515, 4032721, 20163605]

約数ペア:

[(1, 20163605), (5, 4032721), (7, 2880515), (11, 1833055), (35, 576103), (55, 366611), (77, 261865), (83, 242935), (385, 52373), (415, 48587), (581, 34705), (631, 31955), (913, 22085), (2905, 6941), (3155, 6391), (4417, 4565)]