20227940665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1\times {\mathrm{1297}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 25240596480

約数和(自身を除く): 5012655815

約数列:

[1, 5, 31, 155, 239, 421, 1195, 1297, 2105, 6485, 7409, 13051, 37045, 40207, 65255, 100619, 201035, 309983, 503095, 546037, 1549915, 2730185, 3119189, 9609473, 15595945, 16927147, 48047365, 84635735, 130502843, 652514215, 4045588133, 20227940665]

約数ペア:

[(1, 20227940665), (5, 4045588133), (31, 652514215), (155, 130502843), (239, 84635735), (421, 48047365), (1195, 16927147), (1297, 15595945), (2105, 9609473), (6485, 3119189), (7409, 2730185), (13051, 1549915), (37045, 546037), (40207, 503095), (65255, 309983), (100619, 201035)]