20864655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22079}}^1$

素因数の和:22100

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 21528945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22079, 66237, 110395, 154553, 198711, 331185, 463659, 596133, 772765, 993555, 1390977, 2318295, 2980665, 4172931, 6954885, 20864655]

約数ペア:

[(1, 20864655), (3, 6954885), (5, 4172931), (7, 2980665), (9, 2318295), (15, 1390977), (21, 993555), (27, 772765), (35, 596133), (45, 463659), (63, 331185), (105, 198711), (135, 154553), (189, 110395), (315, 66237), (945, 22079)]