20994255

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3793}}^1$

素因数の和:3848

約数の個数: 32

約数和(自身を含む): 38243520

約数和(自身を除く): 17249265

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 3793, 5535, 11379, 18965, 34137, 56895, 102411, 155513, 170685, 466539, 512055, 777565, 1399617, 2332695, 4198851, 6998085, 20994255]

約数ペア:

[(1, 20994255), (3, 6998085), (5, 4198851), (9, 2332695), (15, 1399617), (27, 777565), (41, 512055), (45, 466539), (123, 170685), (135, 155513), (205, 102411), (369, 56895), (615, 34137), (1107, 18965), (1845, 11379), (3793, 5535)]