20877447

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7793}}^1$

素因数の和:7862

約数の個数: 16

約数和(自身を含む): 29928960

約数和(自身を除く): 9051513

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7793, 23379, 148067, 366271, 444201, 1098813, 6959149, 20877447]

約数ペア:

[(1, 20877447), (3, 6959149), (19, 1098813), (47, 444201), (57, 366271), (141, 148067), (893, 23379), (2679, 7793)]