20727075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6427}}^1$

素因数の和:6483

約数の個数: 24

約数和(自身を含む): 35071168

約数和(自身を除く): 14344093

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6427, 19281, 32135, 96405, 160675, 276361, 482025, 829083, 1381805, 4145415, 6909025, 20727075]

約数ペア:

[(1, 20727075), (3, 6909025), (5, 4145415), (15, 1381805), (25, 829083), (43, 482025), (75, 276361), (129, 160675), (215, 96405), (645, 32135), (1075, 19281), (3225, 6427)]