20553876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81563}}^1$

素因数の和:81580

約数の個数: 36

約数和(自身を含む): 59378592

約数和(自身を除く): 38824716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81563, 163126, 244689, 326252, 489378, 570941, 734067, 978756, 1141882, 1468134, 1712823, 2283764, 2936268, 3425646, 5138469, 6851292, 10276938, 20553876]

約数ペア:

[(1, 20553876), (2, 10276938), (3, 6851292), (4, 5138469), (6, 3425646), (7, 2936268), (9, 2283764), (12, 1712823), (14, 1468134), (18, 1141882), (21, 978756), (28, 734067), (36, 570941), (42, 489378), (63, 326252), (84, 244689), (126, 163126), (252, 81563)]