20896976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42131}}^1$

素因数の和:42170

約数の個数: 20

約数和(自身を含む): 41794944

約数和(自身を除く): 20897968

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42131, 84262, 168524, 337048, 674096, 1306061, 2612122, 5224244, 10448488, 20896976]

約数ペア:

[(1, 20896976), (2, 10448488), (4, 5224244), (8, 2612122), (16, 1306061), (31, 674096), (62, 337048), (124, 168524), (248, 84262), (496, 42131)]