2019960747

素因数分解:

$3^4\times 7^1\times {\mathrm{3562541}}^1$

素因数の和:3562560

約数の個数: 20

約数和(自身を含む): 3448540656

約数和(自身を除く): 1428579909

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3562541, 10687623, 24937787, 32062869, 74813361, 96188607, 224440083, 288565821, 673320249, 2019960747]

約数ペア:

[(1, 2019960747), (3, 673320249), (7, 288565821), (9, 224440083), (21, 96188607), (27, 74813361), (63, 32062869), (81, 24937787), (189, 10687623), (567, 3562541)]