20390016

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{1831}}^1$

素因数の和:1877

約数の個数: 64

約数和(自身を含む): 56059200

約数和(自身を除く): 35669184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 348, 384, 464, 696, 928, 1392, 1831, 1856, 2784, 3662, 3712, 5493, 5568, 7324, 10986, 11136, 14648, 21972, 29296, 43944, 53099, 58592, 87888, 106198, 117184, 159297, 175776, 212396, 234368, 318594, 351552, 424792, 637188, 703104, 849584, 1274376, 1699168, 2548752, 3398336, 5097504, 6796672, 10195008, 20390016]

約数ペア:

[(1, 20390016), (2, 10195008), (3, 6796672), (4, 5097504), (6, 3398336), (8, 2548752), (12, 1699168), (16, 1274376), (24, 849584), (29, 703104), (32, 637188), (48, 424792), (58, 351552), (64, 318594), (87, 234368), (96, 212396), (116, 175776), (128, 159297), (174, 117184), (192, 106198), (232, 87888), (348, 58592), (384, 53099), (464, 43944), (696, 29296), (928, 21972), (1392, 14648), (1831, 11136), (1856, 10986), (2784, 7324), (3662, 5568), (3712, 5493)]