20915190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{232391}}^1$

素因数の和:232404

約数の個数: 24

約数和(自身を含む): 54379728

約数和(自身を除く): 33464538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 232391, 464782, 697173, 1161955, 1394346, 2091519, 2323910, 3485865, 4183038, 6971730, 10457595, 20915190]

約数ペア:

[(1, 20915190), (2, 10457595), (3, 6971730), (5, 4183038), (6, 3485865), (9, 2323910), (10, 2091519), (15, 1394346), (18, 1161955), (30, 697173), (45, 464782), (90, 232391)]