20805917468

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23969951}}^1$

素因数の和:23969993

約数の個数: 24

約数和(自身を含む): 42954153984

約数和(自身を除く): 22148236516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23969951, 47939902, 95879804, 167789657, 335579314, 671158628, 743068481, 1486136962, 2972273924, 5201479367, 10402958734, 20805917468]

約数ペア:

[(1, 20805917468), (2, 10402958734), (4, 5201479367), (7, 2972273924), (14, 1486136962), (28, 743068481), (31, 671158628), (62, 335579314), (124, 167789657), (217, 95879804), (434, 47939902), (868, 23969951)]