20163404345

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{223207}}^1$

素因数の和:223337

約数の個数: 32

約数和(自身を含む): 28927756800

約数和(自身を除く): 8764352455

約数列:

[1, 5, 7, 29, 35, 89, 145, 203, 445, 623, 1015, 2581, 3115, 12905, 18067, 90335, 223207, 1116035, 1562449, 6473003, 7812245, 19865423, 32365015, 45311021, 99327115, 139057961, 226555105, 576097267, 695289805, 2880486335, 4032680869, 20163404345]

約数ペア:

[(1, 20163404345), (5, 4032680869), (7, 2880486335), (29, 695289805), (35, 576097267), (89, 226555105), (145, 139057961), (203, 99327115), (445, 45311021), (623, 32365015), (1015, 19865423), (2581, 7812245), (3115, 6473003), (12905, 1562449), (18067, 1116035), (90335, 223207)]