20374475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 28218432

約数和(自身を除く): 7843957

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1723, 2365, 8615, 11825, 18953, 43075, 74089, 94765, 370445, 473825, 814979, 1852225, 4074895, 20374475]

約数ペア:

[(1, 20374475), (5, 4074895), (11, 1852225), (25, 814979), (43, 473825), (55, 370445), (215, 94765), (275, 74089), (473, 43075), (1075, 18953), (1723, 11825), (2365, 8615)]