20674710

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10939}}^1$

素因数の和:10962

約数の個数: 64

約数和(自身を含む): 63014400

約数和(自身を除く): 42339690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10939, 21878, 32817, 54695, 65634, 76573, 98451, 109390, 153146, 164085, 196902, 229719, 295353, 328170, 382865, 459438, 492255, 590706, 689157, 765730, 984510, 1148595, 1378314, 1476765, 2067471, 2297190, 2953530, 3445785, 4134942, 6891570, 10337355, 20674710]

約数ペア:

[(1, 20674710), (2, 10337355), (3, 6891570), (5, 4134942), (6, 3445785), (7, 2953530), (9, 2297190), (10, 2067471), (14, 1476765), (15, 1378314), (18, 1148595), (21, 984510), (27, 765730), (30, 689157), (35, 590706), (42, 492255), (45, 459438), (54, 382865), (63, 328170), (70, 295353), (90, 229719), (105, 196902), (126, 164085), (135, 153146), (189, 109390), (210, 98451), (270, 76573), (315, 65634), (378, 54695), (630, 32817), (945, 21878), (1890, 10939)]