20769645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2477}}^1$

素因数の和:2541

約数の個数: 32

約数和(自身を含む): 36634752

約数和(自身を除く): 15865107

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2477, 2795, 7431, 8385, 12385, 32201, 37155, 96603, 106511, 161005, 319533, 483015, 532555, 1384643, 1597665, 4153929, 6923215, 20769645]

約数ペア:

[(1, 20769645), (3, 6923215), (5, 4153929), (13, 1597665), (15, 1384643), (39, 532555), (43, 483015), (65, 319533), (129, 161005), (195, 106511), (215, 96603), (559, 37155), (645, 32201), (1677, 12385), (2477, 8385), (2795, 7431)]