20127976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 21390104

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 1801, 2794, 3602, 5588, 7204, 11176, 14408, 19811, 39622, 79244, 158488, 228727, 457454, 914908, 1829816, 2515997, 5031994, 10063988, 20127976]

約数ペア:

[(1, 20127976), (2, 10063988), (4, 5031994), (8, 2515997), (11, 1829816), (22, 914908), (44, 457454), (88, 228727), (127, 158488), (254, 79244), (508, 39622), (1016, 19811), (1397, 14408), (1801, 11176), (2794, 7204), (3602, 5588)]