20717676

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4363

約数の個数: 72

約数和(自身を含む): 63015680

約数和(自身を除く): 42298004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4327, 4788, 8654, 12981, 17308, 25962, 30289, 38943, 51924, 60578, 77886, 82213, 90867, 121156, 155772, 164426, 181734, 246639, 272601, 328852, 363468, 493278, 545202, 575491, 739917, 986556, 1090404, 1150982, 1479834, 1726473, 2301964, 2959668, 3452946, 5179419, 6905892, 10358838, 20717676]

約数ペア:

[(1, 20717676), (2, 10358838), (3, 6905892), (4, 5179419), (6, 3452946), (7, 2959668), (9, 2301964), (12, 1726473), (14, 1479834), (18, 1150982), (19, 1090404), (21, 986556), (28, 739917), (36, 575491), (38, 545202), (42, 493278), (57, 363468), (63, 328852), (76, 272601), (84, 246639), (114, 181734), (126, 164426), (133, 155772), (171, 121156), (228, 90867), (252, 82213), (266, 77886), (342, 60578), (399, 51924), (532, 38943), (684, 30289), (798, 25962), (1197, 17308), (1596, 12981), (2394, 8654), (4327, 4788)]