20205909321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{21481}}^1$

素因数の和:21857

約数の個数: 32

約数和(自身を含む): 29449244160

約数和(自身を除く): 9243334839

約数列:

[1, 3, 13, 39, 89, 267, 271, 813, 1157, 3471, 3523, 10569, 21481, 24119, 64443, 72357, 279253, 313547, 837759, 940641, 1911809, 5735427, 5821351, 17464053, 24853517, 74560551, 75677563, 227032689, 518100239, 1554300717, 6735303107, 20205909321]

約数ペア:

[(1, 20205909321), (3, 6735303107), (13, 1554300717), (39, 518100239), (89, 227032689), (267, 75677563), (271, 74560551), (813, 24853517), (1157, 17464053), (3471, 5821351), (3523, 5735427), (10569, 1911809), (21481, 940641), (24119, 837759), (64443, 313547), (72357, 279253)]