20958597

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{787}}^1$

素因数の和:1073

約数の個数: 24

約数和(自身を含む): 33190560

約数和(自身を除く): 12231963

約数列:

[1, 3, 9, 11, 33, 99, 269, 787, 807, 2361, 2421, 2959, 7083, 8657, 8877, 25971, 26631, 77913, 211703, 635109, 1905327, 2328733, 6986199, 20958597]

約数ペア:

[(1, 20958597), (3, 6986199), (9, 2328733), (11, 1905327), (33, 635109), (99, 211703), (269, 77913), (787, 26631), (807, 25971), (2361, 8877), (2421, 8657), (2959, 7083)]