20164552740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1447}}^1\times {\mathrm{77419}}^1$

素因数の和:78881

約数の個数: 72

約数和(自身を含む): 61208871360

約数和(自身を除く): 41044318620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1447, 2894, 4341, 5788, 7235, 8682, 13023, 14470, 17364, 21705, 26046, 28940, 43410, 52092, 65115, 77419, 86820, 130230, 154838, 232257, 260460, 309676, 387095, 464514, 696771, 774190, 929028, 1161285, 1393542, 1548380, 2322570, 2787084, 3483855, 4645140, 6967710, 13935420, 112025293, 224050586, 336075879, 448101172, 560126465, 672151758, 1008227637, 1120252930, 1344303516, 1680379395, 2016455274, 2240505860, 3360758790, 4032910548, 5041138185, 6721517580, 10082276370, 20164552740]

約数ペア:

[(1, 20164552740), (2, 10082276370), (3, 6721517580), (4, 5041138185), (5, 4032910548), (6, 3360758790), (9, 2240505860), (10, 2016455274), (12, 1680379395), (15, 1344303516), (18, 1120252930), (20, 1008227637), (30, 672151758), (36, 560126465), (45, 448101172), (60, 336075879), (90, 224050586), (180, 112025293), (1447, 13935420), (2894, 6967710), (4341, 4645140), (5788, 3483855), (7235, 2787084), (8682, 2322570), (13023, 1548380), (14470, 1393542), (17364, 1161285), (21705, 929028), (26046, 774190), (28940, 696771), (43410, 464514), (52092, 387095), (65115, 309676), (77419, 260460), (86820, 232257), (130230, 154838)]