20926638

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 48871680

約数和(自身を除く): 27945042

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1423, 1634, 2451, 2846, 4269, 4902, 7353, 8538, 12807, 14706, 25614, 27037, 54074, 61189, 81111, 122378, 162222, 183567, 243333, 367134, 486666, 550701, 1101402, 1162591, 2325182, 3487773, 6975546, 10463319, 20926638]

約数ペア:

[(1, 20926638), (2, 10463319), (3, 6975546), (6, 3487773), (9, 2325182), (18, 1162591), (19, 1101402), (38, 550701), (43, 486666), (57, 367134), (86, 243333), (114, 183567), (129, 162222), (171, 122378), (258, 81111), (342, 61189), (387, 54074), (774, 27037), (817, 25614), (1423, 14706), (1634, 12807), (2451, 8538), (2846, 7353), (4269, 4902)]