20676816

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2121

約数の個数: 80

約数和(自身を含む): 61960320

約数和(自身を除く): 41283504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2081, 2484, 3312, 4162, 4968, 6243, 8324, 9936, 12486, 16648, 18729, 24972, 33296, 37458, 47863, 49944, 56187, 74916, 95726, 99888, 112374, 143589, 149832, 191452, 224748, 287178, 299664, 382904, 430767, 449496, 574356, 765808, 861534, 898992, 1148712, 1292301, 1723068, 2297424, 2584602, 3446136, 5169204, 6892272, 10338408, 20676816]

約数ペア:

[(1, 20676816), (2, 10338408), (3, 6892272), (4, 5169204), (6, 3446136), (8, 2584602), (9, 2297424), (12, 1723068), (16, 1292301), (18, 1148712), (23, 898992), (24, 861534), (27, 765808), (36, 574356), (46, 449496), (48, 430767), (54, 382904), (69, 299664), (72, 287178), (92, 224748), (108, 191452), (138, 149832), (144, 143589), (184, 112374), (207, 99888), (216, 95726), (276, 74916), (368, 56187), (414, 49944), (432, 47863), (552, 37458), (621, 33296), (828, 24972), (1104, 18729), (1242, 16648), (1656, 12486), (2081, 9936), (2484, 8324), (3312, 6243), (4162, 4968)]