20488335049

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1193}}^1\times {\mathrm{4603}}^1$

素因数の和:5857

約数の個数: 32

約数和(自身を含む): 25858715904

約数和(自身を除く): 5370380855

約数列:

[1, 7, 13, 41, 91, 287, 533, 1193, 3731, 4603, 8351, 15509, 32221, 48913, 59839, 108563, 188723, 342391, 418873, 635869, 1321061, 2453399, 4451083, 5491379, 17173793, 38439653, 71387927, 225146539, 499715489, 1576025773, 2926905007, 20488335049]

約数ペア:

[(1, 20488335049), (7, 2926905007), (13, 1576025773), (41, 499715489), (91, 225146539), (287, 71387927), (533, 38439653), (1193, 17173793), (3731, 5491379), (4603, 4451083), (8351, 2453399), (15509, 1321061), (32221, 635869), (48913, 418873), (59839, 342391), (108563, 188723)]