20052950

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1031}}^1$

素因数の和:1432

約数の個数: 24

約数和(自身を含む): 37430640

約数和(自身を除く): 17377690

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1031, 1945, 2062, 3890, 5155, 9725, 10310, 19450, 25775, 51550, 401059, 802118, 2005295, 4010590, 10026475, 20052950]

約数ペア:

[(1, 20052950), (2, 10026475), (5, 4010590), (10, 2005295), (25, 802118), (50, 401059), (389, 51550), (778, 25775), (1031, 19450), (1945, 10310), (2062, 9725), (3890, 5155)]