20138180828

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{2939}}^1\times {\mathrm{32321}}^1$

素因数の和:35317

約数の個数: 24

約数和(自身を含む): 35920085040

約数和(自身を除く): 15781904212

約数列:

[1, 2, 4, 53, 106, 212, 2939, 5878, 11756, 32321, 64642, 129284, 155767, 311534, 623068, 1713013, 3426026, 6852052, 94991419, 189982838, 379965676, 5034545207, 10069090414, 20138180828]

約数ペア:

[(1, 20138180828), (2, 10069090414), (4, 5034545207), (53, 379965676), (106, 189982838), (212, 94991419), (2939, 6852052), (5878, 3426026), (11756, 1713013), (32321, 623068), (64642, 311534), (129284, 155767)]