20747296

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 22193504

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 79, 116, 158, 232, 283, 316, 464, 566, 632, 928, 1132, 1264, 2264, 2291, 2528, 4528, 4582, 8207, 9056, 9164, 16414, 18328, 22357, 32828, 36656, 44714, 65656, 73312, 89428, 131312, 178856, 262624, 357712, 648353, 715424, 1296706, 2593412, 5186824, 10373648, 20747296]

約数ペア:

[(1, 20747296), (2, 10373648), (4, 5186824), (8, 2593412), (16, 1296706), (29, 715424), (32, 648353), (58, 357712), (79, 262624), (116, 178856), (158, 131312), (232, 89428), (283, 73312), (316, 65656), (464, 44714), (566, 36656), (632, 32828), (928, 22357), (1132, 18328), (1264, 16414), (2264, 9164), (2291, 9056), (2528, 8207), (4528, 4582)]