20195592921

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{980321}}^1$

素因数の和:980446

約数の個数: 32

約数和(自身を含む): 34507334400

約数和(自身を除く): 14311741479

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 763, 981, 2289, 2943, 6867, 20601, 980321, 2940963, 6862247, 8822889, 20586741, 26468667, 61760223, 106854989, 185280669, 320564967, 747984923, 961694901, 2243954769, 2885084703, 6731864307, 20195592921]

約数ペア:

[(1, 20195592921), (3, 6731864307), (7, 2885084703), (9, 2243954769), (21, 961694901), (27, 747984923), (63, 320564967), (109, 185280669), (189, 106854989), (327, 61760223), (763, 26468667), (981, 20586741), (2289, 8822889), (2943, 6862247), (6867, 2940963), (20601, 980321)]