20455888902

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{944147}}^1$

素因数の和:944332

約数の個数: 32

約数和(自身を含む): 42962510592

約数和(自身を除く): 22506621690

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 314, 471, 942, 3611, 7222, 10833, 21666, 944147, 1888294, 2832441, 5664882, 21715381, 43430762, 65146143, 130292286, 148231079, 296462158, 444693237, 889386474, 3409314817, 6818629634, 10227944451, 20455888902]

約数ペア:

[(1, 20455888902), (2, 10227944451), (3, 6818629634), (6, 3409314817), (23, 889386474), (46, 444693237), (69, 296462158), (138, 148231079), (157, 130292286), (314, 65146143), (471, 43430762), (942, 21715381), (3611, 5664882), (7222, 2832441), (10833, 1888294), (21666, 944147)]