20307888

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1667

約数の個数: 80

約数和(自身を含む): 60338400

約数和(自身を除く): 40030512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 72, 87, 108, 116, 144, 174, 216, 232, 261, 348, 432, 464, 522, 696, 783, 1044, 1392, 1566, 1621, 2088, 3132, 3242, 4176, 4863, 6264, 6484, 9726, 12528, 12968, 14589, 19452, 25936, 29178, 38904, 43767, 47009, 58356, 77808, 87534, 94018, 116712, 141027, 175068, 188036, 233424, 282054, 350136, 376072, 423081, 564108, 700272, 752144, 846162, 1128216, 1269243, 1692324, 2256432, 2538486, 3384648, 5076972, 6769296, 10153944, 20307888]

約数ペア:

[(1, 20307888), (2, 10153944), (3, 6769296), (4, 5076972), (6, 3384648), (8, 2538486), (9, 2256432), (12, 1692324), (16, 1269243), (18, 1128216), (24, 846162), (27, 752144), (29, 700272), (36, 564108), (48, 423081), (54, 376072), (58, 350136), (72, 282054), (87, 233424), (108, 188036), (116, 175068), (144, 141027), (174, 116712), (216, 94018), (232, 87534), (261, 77808), (348, 58356), (432, 47009), (464, 43767), (522, 38904), (696, 29178), (783, 25936), (1044, 19452), (1392, 14589), (1566, 12968), (1621, 12528), (2088, 9726), (3132, 6484), (3242, 6264), (4176, 4863)]