20302192

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1357

約数の個数: 40

約数和(自身を含む): 42033024

約数和(自身を除く): 21730832

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1283, 1978, 2566, 3956, 5132, 7912, 10264, 15824, 20528, 29509, 55169, 59018, 110338, 118036, 220676, 236072, 441352, 472144, 882704, 1268887, 2537774, 5075548, 10151096, 20302192]

約数ペア:

[(1, 20302192), (2, 10151096), (4, 5075548), (8, 2537774), (16, 1268887), (23, 882704), (43, 472144), (46, 441352), (86, 236072), (92, 220676), (172, 118036), (184, 110338), (344, 59018), (368, 55169), (688, 29509), (989, 20528), (1283, 15824), (1978, 10264), (2566, 7912), (3956, 5132)]