20805094078

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{557}}^1\times {\mathrm{941}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 31790465280

約数和(自身を除く): 10985371202

約数列:

[1, 2, 89, 178, 223, 446, 557, 941, 1114, 1882, 19847, 39694, 49573, 83749, 99146, 124211, 167498, 209843, 248422, 419686, 524137, 1048274, 11054779, 18676027, 22109558, 37352054, 46648193, 93296386, 116882551, 233765102, 10402547039, 20805094078]

約数ペア:

[(1, 20805094078), (2, 10402547039), (89, 233765102), (178, 116882551), (223, 93296386), (446, 46648193), (557, 37352054), (941, 22109558), (1114, 18676027), (1882, 11054779), (19847, 1048274), (39694, 524137), (49573, 419686), (83749, 248422), (99146, 209843), (124211, 167498)]