20278327545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2798941}}^1$

素因数の和:2798982

約数の個数: 48

約数和(自身を含む): 41916955392

約数和(自身を除く): 21638627847

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 7245, 2798941, 8396823, 13994705, 19592587, 25190469, 41984115, 58777761, 64375643, 97962935, 125952345, 176333283, 193126929, 293888805, 321878215, 450629501, 579380787, 881666415, 965634645, 1351888503, 2253147505, 2896903935, 4055665509, 6759442515, 20278327545]

約数ペア:

[(1, 20278327545), (3, 6759442515), (5, 4055665509), (7, 2896903935), (9, 2253147505), (15, 1351888503), (21, 965634645), (23, 881666415), (35, 579380787), (45, 450629501), (63, 321878215), (69, 293888805), (105, 193126929), (115, 176333283), (161, 125952345), (207, 97962935), (315, 64375643), (345, 58777761), (483, 41984115), (805, 25190469), (1035, 19592587), (1449, 13994705), (2415, 8396823), (7245, 2798941)]