20886424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4273}}^1$

素因数の和:4339

約数の個数: 32

約数和(自身を含む): 43081920

約数和(自身を除く): 22195496

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4273, 4888, 8546, 17092, 34184, 55549, 111098, 200831, 222196, 401662, 444392, 803324, 1606648, 2610803, 5221606, 10443212, 20886424]

約数ペア:

[(1, 20886424), (2, 10443212), (4, 5221606), (8, 2610803), (13, 1606648), (26, 803324), (47, 444392), (52, 401662), (94, 222196), (104, 200831), (188, 111098), (376, 55549), (611, 34184), (1222, 17092), (2444, 8546), (4273, 4888)]