20969118639

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19579009}}^1$

素因数の和:19579039

約数の個数: 24

約数和(自身を含む): 36651906720

約数和(自身を除く): 15682788081

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19579009, 58737027, 137053063, 176211081, 332843153, 411159189, 998529459, 1233477567, 2329902071, 2995588377, 6989706213, 20969118639]

約数ペア:

[(1, 20969118639), (3, 6989706213), (7, 2995588377), (9, 2329902071), (17, 1233477567), (21, 998529459), (51, 411159189), (63, 332843153), (119, 176211081), (153, 137053063), (357, 58737027), (1071, 19579009)]