20201595883

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{20543}}^1$

素因数の和:20672

約数の個数: 32

約数和(自身を含む): 24455577600

約数和(自身を除く): 4253981717

約数列:

[1, 7, 47, 49, 61, 329, 343, 427, 2303, 2867, 2989, 16121, 20069, 20543, 20923, 140483, 143801, 965521, 983381, 1006607, 1253123, 6758647, 7046249, 8771861, 47310529, 58896781, 61403027, 331173703, 412277467, 429821189, 2885942269, 20201595883]

約数ペア:

[(1, 20201595883), (7, 2885942269), (47, 429821189), (49, 412277467), (61, 331173703), (329, 61403027), (343, 58896781), (427, 47310529), (2303, 8771861), (2867, 7046249), (2989, 6758647), (16121, 1253123), (20069, 1006607), (20543, 983381), (20923, 965521), (140483, 143801)]