20576720349

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2130757}}^1$

素因数の和:2130829

約数の個数: 24

約数和(自身を含む): 31577833560

約数和(自身を除く): 11001113211

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 3219, 9657, 2130757, 6392271, 19176813, 61791953, 78838009, 185375859, 236514027, 556127577, 709542081, 2286302261, 6858906783, 20576720349]

約数ペア:

[(1, 20576720349), (3, 6858906783), (9, 2286302261), (29, 709542081), (37, 556127577), (87, 236514027), (111, 185375859), (261, 78838009), (333, 61791953), (1073, 19176813), (3219, 6392271), (9657, 2130757)]