20789439248

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{577}}^1\times {\mathrm{21863}}^1$

素因数の和:22551

約数の個数: 40

約数和(自身を含む): 40742951808

約数和(自身を除く): 19953512560

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 577, 824, 1154, 1648, 2308, 4616, 9232, 21863, 43726, 59431, 87452, 118862, 174904, 237724, 349808, 475448, 950896, 2251889, 4503778, 9007556, 12614951, 18015112, 25229902, 36030224, 50459804, 100919608, 201839216, 1299339953, 2598679906, 5197359812, 10394719624, 20789439248]

約数ペア:

[(1, 20789439248), (2, 10394719624), (4, 5197359812), (8, 2598679906), (16, 1299339953), (103, 201839216), (206, 100919608), (412, 50459804), (577, 36030224), (824, 25229902), (1154, 18015112), (1648, 12614951), (2308, 9007556), (4616, 4503778), (9232, 2251889), (21863, 950896), (43726, 475448), (59431, 349808), (87452, 237724), (118862, 174904)]