20206680981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{465581}}^1$

素因数の和:465661

約数の個数: 32

約数和(自身を含む): 30571976448

約数和(自身を除く): 10365295467

約数列:

[1, 3, 17, 23, 37, 51, 69, 111, 391, 629, 851, 1173, 1887, 2553, 14467, 43401, 465581, 1396743, 7914877, 10708363, 17226497, 23744631, 32125089, 51679491, 182042171, 292850449, 396209431, 546126513, 878551347, 1188628293, 6735560327, 20206680981]

約数ペア:

[(1, 20206680981), (3, 6735560327), (17, 1188628293), (23, 878551347), (37, 546126513), (51, 396209431), (69, 292850449), (111, 182042171), (391, 51679491), (629, 32125089), (851, 23744631), (1173, 17226497), (1887, 10708363), (2553, 7914877), (14467, 1396743), (43401, 465581)]