20883705

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3307}}^1$

素因数の和:3736

約数の個数: 16

約数和(自身を含む): 33503424

約数和(自身を除く): 12619719

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 3307, 6315, 9921, 16535, 49605, 1392247, 4176741, 6961235, 20883705]

約数ペア:

[(1, 20883705), (3, 6961235), (5, 4176741), (15, 1392247), (421, 49605), (1263, 16535), (2105, 9921), (3307, 6315)]