20197208025

素因数分解:

$3^2\times 5^2\times {\mathrm{1571}}^1\times {\mathrm{57139}}^1$

素因数の和:58726

約数の個数: 36

約数和(自身を含む): 36199104240

約数和(自身を除く): 16001896215

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 1571, 4713, 7855, 14139, 23565, 39275, 57139, 70695, 117825, 171417, 285695, 353475, 514251, 857085, 1428475, 2571255, 4285425, 12856275, 89765369, 269296107, 448826845, 807888321, 1346480535, 2244134225, 4039441605, 6732402675, 20197208025]

約数ペア:

[(1, 20197208025), (3, 6732402675), (5, 4039441605), (9, 2244134225), (15, 1346480535), (25, 807888321), (45, 448826845), (75, 269296107), (225, 89765369), (1571, 12856275), (4713, 4285425), (7855, 2571255), (14139, 1428475), (23565, 857085), (39275, 514251), (57139, 353475), (70695, 285695), (117825, 171417)]