20798940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346649}}^1$

素因数の和:346661

約数の個数: 24

約数和(自身を含む): 58237200

約数和(自身を除く): 37438260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346649, 693298, 1039947, 1386596, 1733245, 2079894, 3466490, 4159788, 5199735, 6932980, 10399470, 20798940]

約数ペア:

[(1, 20798940), (2, 10399470), (3, 6932980), (4, 5199735), (5, 4159788), (6, 3466490), (10, 2079894), (12, 1733245), (15, 1386596), (20, 1039947), (30, 693298), (60, 346649)]