20877183

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{691}}^1$

素因数の和:1076

約数の個数: 20

約数和(自身を含む): 31315768

約数和(自身を除く): 10438585

約数列:

[1, 3, 9, 27, 81, 373, 691, 1119, 2073, 3357, 6219, 10071, 18657, 30213, 55971, 257743, 773229, 2319687, 6959061, 20877183]

約数ペア:

[(1, 20877183), (3, 6959061), (9, 2319687), (27, 773229), (81, 257743), (373, 55971), (691, 30213), (1119, 18657), (2073, 10071), (3357, 6219)]