20389914

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16417}}^1$

素因数の和:16451

約数の個数: 32

約数和(自身を含む): 47283840

約数和(自身を除く): 26893926

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16417, 32834, 49251, 98502, 147753, 295506, 377591, 443259, 755182, 886518, 1132773, 2265546, 3398319, 6796638, 10194957, 20389914]

約数ペア:

[(1, 20389914), (2, 10194957), (3, 6796638), (6, 3398319), (9, 2265546), (18, 1132773), (23, 886518), (27, 755182), (46, 443259), (54, 377591), (69, 295506), (138, 147753), (207, 98502), (414, 49251), (621, 32834), (1242, 16417)]