20881464

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{21221}}^1$

素因数の和:21271

約数の個数: 32

約数和(自身を含む): 53479440

約数和(自身を除く): 32597976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 21221, 42442, 63663, 84884, 127326, 169768, 254652, 509304, 870061, 1740122, 2610183, 3480244, 5220366, 6960488, 10440732, 20881464]

約数ペア:

[(1, 20881464), (2, 10440732), (3, 6960488), (4, 5220366), (6, 3480244), (8, 2610183), (12, 1740122), (24, 870061), (41, 509304), (82, 254652), (123, 169768), (164, 127326), (246, 84884), (328, 63663), (492, 42442), (984, 21221)]