20808515546

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{234769}}^1$

素因数の和:235278

約数の個数: 32

約数和(自身を含む): 38494767360

約数和(自身を除く): 17686251814

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 487, 974, 3409, 6331, 6818, 12662, 44317, 88634, 234769, 469538, 1643383, 3051997, 3286766, 6103994, 21363979, 42727958, 114332503, 228665006, 800327521, 1486322539, 1600655042, 2972645078, 10404257773, 20808515546]

約数ペア:

[(1, 20808515546), (2, 10404257773), (7, 2972645078), (13, 1600655042), (14, 1486322539), (26, 800327521), (91, 228665006), (182, 114332503), (487, 42727958), (974, 21363979), (3409, 6103994), (6331, 3286766), (6818, 3051997), (12662, 1643383), (44317, 469538), (88634, 234769)]