20159320115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1\times {\mathrm{1783}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 26530163712

約数和(自身を除く): 6370843597

約数列:

[1, 5, 11, 55, 311, 661, 1555, 1783, 3305, 3421, 7271, 8915, 17105, 19613, 36355, 98065, 205571, 554513, 1027855, 1178563, 2261281, 2772565, 5892815, 6099643, 11306405, 12964193, 30498215, 64820965, 366533093, 1832665465, 4031864023, 20159320115]

約数ペア:

[(1, 20159320115), (5, 4031864023), (11, 1832665465), (55, 366533093), (311, 64820965), (661, 30498215), (1555, 12964193), (1783, 11306405), (3305, 6099643), (3421, 5892815), (7271, 2772565), (8915, 2261281), (17105, 1178563), (19613, 1027855), (36355, 554513), (98065, 205571)]