20348520171

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1213}}^1\times {\mathrm{4139}}^1$

素因数の和:5555

約数の個数: 32

約数和(自身を含む): 31201159680

約数和(自身を除く): 10852639509

約数列:

[1, 3, 7, 21, 193, 579, 1213, 1351, 3639, 4053, 4139, 8491, 12417, 25473, 28973, 86919, 234109, 702327, 798827, 1638763, 2396481, 4916289, 5020607, 5591789, 15061821, 16775367, 35144249, 105432747, 968977151, 2906931453, 6782840057, 20348520171]

約数ペア:

[(1, 20348520171), (3, 6782840057), (7, 2906931453), (21, 968977151), (193, 105432747), (579, 35144249), (1213, 16775367), (1351, 15061821), (3639, 5591789), (4053, 5020607), (4139, 4916289), (8491, 2396481), (12417, 1638763), (25473, 798827), (28973, 702327), (86919, 234109)]