20178405560

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6077833}}^1$

素因数の和:6077927

約数の個数: 32

約数和(自身を含む): 45948425040

約数和(自身を除く): 25770019480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 6077833, 12155666, 24311332, 30389165, 48622664, 60778330, 121556660, 243113320, 504460139, 1008920278, 2017840556, 2522300695, 4035681112, 5044601390, 10089202780, 20178405560]

約数ペア:

[(1, 20178405560), (2, 10089202780), (4, 5044601390), (5, 4035681112), (8, 2522300695), (10, 2017840556), (20, 1008920278), (40, 504460139), (83, 243113320), (166, 121556660), (332, 60778330), (415, 48622664), (664, 30389165), (830, 24311332), (1660, 12155666), (3320, 6077833)]