20589645

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19333}}^1$

素因数の和:19412

約数の個数: 16

約数和(自身を含む): 33409152

約数和(自身を除く): 12819507

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19333, 57999, 96665, 289995, 1372643, 4117929, 6863215, 20589645]

約数ペア:

[(1, 20589645), (3, 6863215), (5, 4117929), (15, 1372643), (71, 289995), (213, 96665), (355, 57999), (1065, 19333)]