20932821721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{607}}^1\times {\mathrm{677}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 25327042560

約数和(自身を除く): 4394220839

約数列:

[1, 7, 19, 133, 383, 607, 677, 2681, 4249, 4739, 7277, 11533, 12863, 50939, 80731, 90041, 232481, 259291, 410939, 1627367, 1815037, 2876573, 4417139, 4926529, 7807841, 30919973, 34485703, 54654887, 157389637, 1101727459, 2990403103, 20932821721]

約数ペア:

[(1, 20932821721), (7, 2990403103), (19, 1101727459), (133, 157389637), (383, 54654887), (607, 34485703), (677, 30919973), (2681, 7807841), (4249, 4926529), (4739, 4417139), (7277, 2876573), (11533, 1815037), (12863, 1627367), (50939, 410939), (80731, 259291), (90041, 232481)]