20194869940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11251}}^1\times {\mathrm{12821}}^1$

素因数の和:24088

約数の個数: 48

約数和(自身を含む): 48475776384

約数和(自身を除く): 28280906444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11251, 12821, 22502, 25642, 45004, 51284, 56255, 64105, 78757, 89747, 112510, 128210, 157514, 179494, 225020, 256420, 315028, 358988, 393785, 448735, 787570, 897470, 1575140, 1794940, 144249071, 288498142, 576996284, 721245355, 1009743497, 1442490710, 2019486994, 2884981420, 4038973988, 5048717485, 10097434970, 20194869940]

約数ペア:

[(1, 20194869940), (2, 10097434970), (4, 5048717485), (5, 4038973988), (7, 2884981420), (10, 2019486994), (14, 1442490710), (20, 1009743497), (28, 721245355), (35, 576996284), (70, 288498142), (140, 144249071), (11251, 1794940), (12821, 1575140), (22502, 897470), (25642, 787570), (45004, 448735), (51284, 393785), (56255, 358988), (64105, 315028), (78757, 256420), (89747, 225020), (112510, 179494), (128210, 157514)]