20138757970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3654947}}^1$

素因数の和:3655002

約数の個数: 32

約数和(自身を含む): 39473438400

約数和(自身を除く): 19334680430

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 3654947, 7309894, 18274735, 36549470, 69443993, 105993463, 138887986, 211986926, 347219965, 529967315, 694439930, 1059934630, 2013875797, 4027751594, 10069378985, 20138757970]

約数ペア:

[(1, 20138757970), (2, 10069378985), (5, 4027751594), (10, 2013875797), (19, 1059934630), (29, 694439930), (38, 529967315), (58, 347219965), (95, 211986926), (145, 138887986), (190, 105993463), (290, 69443993), (551, 36549470), (1102, 18274735), (2755, 7309894), (5510, 3654947)]