20931862

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2377}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 39037248

約数和(自身を除く): 18105386

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2377, 4403, 4754, 8806, 16639, 33278, 40409, 80818, 87949, 175898, 282863, 565726, 615643, 1231286, 1495133, 2990266, 10465931, 20931862]

約数ペア:

[(1, 20931862), (2, 10465931), (7, 2990266), (14, 1495133), (17, 1231286), (34, 615643), (37, 565726), (74, 282863), (119, 175898), (238, 87949), (259, 80818), (518, 40409), (629, 33278), (1258, 16639), (2377, 8806), (4403, 4754)]