20120469

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1069

約数の個数: 24

約数和(自身を含む): 29766720

約数和(自身を除く): 9646251

約数列:

[1, 3, 17, 23, 51, 69, 289, 391, 867, 1009, 1173, 3027, 6647, 17153, 19941, 23207, 51459, 69621, 291601, 394519, 874803, 1183557, 6706823, 20120469]

約数ペア:

[(1, 20120469), (3, 6706823), (17, 1183557), (23, 874803), (51, 394519), (69, 291601), (289, 69621), (391, 51459), (867, 23207), (1009, 19941), (1173, 17153), (3027, 6647)]