20216264

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 42105420

約数和(自身を除く): 21889156

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 281, 391, 529, 562, 782, 1058, 1124, 1564, 2116, 2248, 3128, 4232, 4777, 6463, 8993, 9554, 12926, 17986, 19108, 25852, 35972, 38216, 51704, 71944, 109871, 148649, 219742, 297298, 439484, 594596, 878968, 1189192, 2527033, 5054066, 10108132, 20216264]

約数ペア:

[(1, 20216264), (2, 10108132), (4, 5054066), (8, 2527033), (17, 1189192), (23, 878968), (34, 594596), (46, 439484), (68, 297298), (92, 219742), (136, 148649), (184, 109871), (281, 71944), (391, 51704), (529, 38216), (562, 35972), (782, 25852), (1058, 19108), (1124, 17986), (1564, 12926), (2116, 9554), (2248, 8993), (3128, 6463), (4232, 4777)]