20453808

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 80

約数和(自身を含む): 55996416

約数和(自身を除く): 35542608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 97, 138, 184, 191, 194, 276, 291, 368, 382, 388, 552, 573, 582, 764, 776, 1104, 1146, 1164, 1528, 1552, 2231, 2292, 2328, 3056, 4393, 4462, 4584, 4656, 6693, 8786, 8924, 9168, 13179, 13386, 17572, 17848, 18527, 26358, 26772, 35144, 35696, 37054, 52716, 53544, 55581, 70288, 74108, 105432, 107088, 111162, 148216, 210864, 222324, 296432, 426121, 444648, 852242, 889296, 1278363, 1704484, 2556726, 3408968, 5113452, 6817936, 10226904, 20453808]

約数ペア:

[(1, 20453808), (2, 10226904), (3, 6817936), (4, 5113452), (6, 3408968), (8, 2556726), (12, 1704484), (16, 1278363), (23, 889296), (24, 852242), (46, 444648), (48, 426121), (69, 296432), (92, 222324), (97, 210864), (138, 148216), (184, 111162), (191, 107088), (194, 105432), (276, 74108), (291, 70288), (368, 55581), (382, 53544), (388, 52716), (552, 37054), (573, 35696), (582, 35144), (764, 26772), (776, 26358), (1104, 18527), (1146, 17848), (1164, 17572), (1528, 13386), (1552, 13179), (2231, 9168), (2292, 8924), (2328, 8786), (3056, 6693), (4393, 4656), (4462, 4584)]