20385876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{242689}}^1$

素因数の和:242703

約数の個数: 24

約数和(自身を含む): 54362560

約数和(自身を除く): 33976684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 242689, 485378, 728067, 970756, 1456134, 1698823, 2912268, 3397646, 5096469, 6795292, 10192938, 20385876]

約数ペア:

[(1, 20385876), (2, 10192938), (3, 6795292), (4, 5096469), (6, 3397646), (7, 2912268), (12, 1698823), (14, 1456134), (21, 970756), (28, 728067), (42, 485378), (84, 242689)]