20644888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{619}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 42408000

約数和(自身を除く): 21763112

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 379, 619, 758, 1238, 1516, 2476, 3032, 4169, 4952, 6809, 8338, 13618, 16676, 27236, 33352, 54472, 234601, 469202, 938404, 1876808, 2580611, 5161222, 10322444, 20644888]

約数ペア:

[(1, 20644888), (2, 10322444), (4, 5161222), (8, 2580611), (11, 1876808), (22, 938404), (44, 469202), (88, 234601), (379, 54472), (619, 33352), (758, 27236), (1238, 16676), (1516, 13618), (2476, 8338), (3032, 6809), (4169, 4952)]