20753253

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1481}}^1$

素因数の和:1666

約数の個数: 20

約数和(自身を含む): 31202028

約数和(自身を除く): 10448775

約数列:

[1, 3, 9, 27, 81, 173, 519, 1481, 1557, 4443, 4671, 13329, 14013, 39987, 119961, 256213, 768639, 2305917, 6917751, 20753253]

約数ペア:

[(1, 20753253), (3, 6917751), (9, 2305917), (27, 768639), (81, 256213), (173, 119961), (519, 39987), (1481, 14013), (1557, 13329), (4443, 4671)]