20185287560

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3095903}}^1$

素因数の和:3096077

約数の個数: 32

約数和(自身を含む): 45695543040

約数和(自身を除く): 25510255480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 3095903, 6191806, 12383612, 15479515, 24767224, 30959030, 61918060, 123836120, 504632189, 1009264378, 2018528756, 2523160945, 4037057512, 5046321890, 10092643780, 20185287560]

約数ペア:

[(1, 20185287560), (2, 10092643780), (4, 5046321890), (5, 4037057512), (8, 2523160945), (10, 2018528756), (20, 1009264378), (40, 504632189), (163, 123836120), (326, 61918060), (652, 30959030), (815, 24767224), (1304, 15479515), (1630, 12383612), (3260, 6191806), (6520, 3095903)]