20187662396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{643493}}^1$

素因数の和:643562

約数の個数: 48

約数和(自身を含む): 41513084928

約数和(自身を除く): 21325422532

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 62, 92, 124, 253, 341, 506, 682, 713, 1012, 1364, 1426, 2852, 7843, 15686, 31372, 643493, 1286986, 2573972, 7078423, 14156846, 14800339, 19948283, 28313692, 29600678, 39896566, 59201356, 79793132, 162803729, 219431113, 325607458, 438862226, 458810509, 651214916, 877724452, 917621018, 1835242036, 5046915599, 10093831198, 20187662396]

約数ペア:

[(1, 20187662396), (2, 10093831198), (4, 5046915599), (11, 1835242036), (22, 917621018), (23, 877724452), (31, 651214916), (44, 458810509), (46, 438862226), (62, 325607458), (92, 219431113), (124, 162803729), (253, 79793132), (341, 59201356), (506, 39896566), (682, 29600678), (713, 28313692), (1012, 19948283), (1364, 14800339), (1426, 14156846), (2852, 7078423), (7843, 2573972), (15686, 1286986), (31372, 643493)]