20804766540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1\times {\mathrm{12541}}^1$

素因数の和:13239

約数の個数: 96

約数和(自身を含む): 59705538816

約数和(自身を除く): 38900772276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 643, 645, 860, 1286, 1290, 1929, 2572, 2580, 3215, 3858, 6430, 7716, 9645, 12541, 12860, 19290, 25082, 27649, 37623, 38580, 50164, 55298, 62705, 75246, 82947, 110596, 125410, 138245, 150492, 165894, 188115, 250820, 276490, 331788, 376230, 414735, 539263, 552980, 752460, 829470, 1078526, 1617789, 1658940, 2157052, 2696315, 3235578, 5392630, 6471156, 8063863, 8088945, 10785260, 16127726, 16177890, 24191589, 32255452, 32355780, 40319315, 48383178, 80638630, 96766356, 120957945, 161277260, 241915890, 346746109, 483831780, 693492218, 1040238327, 1386984436, 1733730545, 2080476654, 3467461090, 4160953308, 5201191635, 6934922180, 10402383270, 20804766540]

約数ペア:

[(1, 20804766540), (2, 10402383270), (3, 6934922180), (4, 5201191635), (5, 4160953308), (6, 3467461090), (10, 2080476654), (12, 1733730545), (15, 1386984436), (20, 1040238327), (30, 693492218), (43, 483831780), (60, 346746109), (86, 241915890), (129, 161277260), (172, 120957945), (215, 96766356), (258, 80638630), (430, 48383178), (516, 40319315), (643, 32355780), (645, 32255452), (860, 24191589), (1286, 16177890), (1290, 16127726), (1929, 10785260), (2572, 8088945), (2580, 8063863), (3215, 6471156), (3858, 5392630), (6430, 3235578), (7716, 2696315), (9645, 2157052), (12541, 1658940), (12860, 1617789), (19290, 1078526), (25082, 829470), (27649, 752460), (37623, 552980), (38580, 539263), (50164, 414735), (55298, 376230), (62705, 331788), (75246, 276490), (82947, 250820), (110596, 188115), (125410, 165894), (138245, 150492)]