20996824615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{29863}}^1$

素因数の和:30283

約数の個数: 32

約数和(自身を含む): 28146222720

約数和(自身を除く): 7149398105

約数列:

[1, 5, 13, 29, 65, 145, 373, 377, 1865, 1885, 4849, 10817, 24245, 29863, 54085, 140621, 149315, 388219, 703105, 866027, 1941095, 4330135, 11138899, 11258351, 55694495, 56291755, 144805687, 323028071, 724028435, 1615140355, 4199364923, 20996824615]

約数ペア:

[(1, 20996824615), (5, 4199364923), (13, 1615140355), (29, 724028435), (65, 323028071), (145, 144805687), (373, 56291755), (377, 55694495), (1865, 11258351), (1885, 11138899), (4849, 4330135), (10817, 1941095), (24245, 866027), (29863, 703105), (54085, 388219), (140621, 149315)]