20164535560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38777953}}^1$

素因数の和:38777977

約数の個数: 32

約数和(自身を含む): 48860222040

約数和(自身を除く): 28695686480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38777953, 77555906, 155111812, 193889765, 310223624, 387779530, 504113389, 775559060, 1008226778, 1551118120, 2016453556, 2520566945, 4032907112, 5041133890, 10082267780, 20164535560]

約数ペア:

[(1, 20164535560), (2, 10082267780), (4, 5041133890), (5, 4032907112), (8, 2520566945), (10, 2016453556), (13, 1551118120), (20, 1008226778), (26, 775559060), (40, 504113389), (52, 387779530), (65, 310223624), (104, 193889765), (130, 155111812), (260, 77555906), (520, 38777953)]