16956980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 37545984

約数和(自身を除く): 20589004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 191, 193, 230, 382, 386, 460, 764, 772, 955, 965, 1910, 1930, 3820, 3860, 4393, 4439, 8786, 8878, 17572, 17756, 21965, 22195, 36863, 43930, 44390, 73726, 87860, 88780, 147452, 184315, 368630, 737260, 847849, 1695698, 3391396, 4239245, 8478490, 16956980]

約数ペア:

[(1, 16956980), (2, 8478490), (4, 4239245), (5, 3391396), (10, 1695698), (20, 847849), (23, 737260), (46, 368630), (92, 184315), (115, 147452), (191, 88780), (193, 87860), (230, 73726), (382, 44390), (386, 43930), (460, 36863), (764, 22195), (772, 21965), (955, 17756), (965, 17572), (1910, 8878), (1930, 8786), (3820, 4439), (3860, 4393)]