1815702020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2677}}^1\times {\mathrm{3083}}^1$

素因数の和:5780

約数の個数: 48

約数和(自身を含む): 4162511808

約数和(自身を除く): 2346809788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2677, 3083, 5354, 6166, 10708, 12332, 13385, 15415, 26770, 29447, 30830, 33913, 53540, 58894, 61660, 67826, 117788, 135652, 147235, 169565, 294470, 339130, 588940, 678260, 8253191, 16506382, 33012764, 41265955, 82531910, 90785101, 165063820, 181570202, 363140404, 453925505, 907851010, 1815702020]

約数ペア:

[(1, 1815702020), (2, 907851010), (4, 453925505), (5, 363140404), (10, 181570202), (11, 165063820), (20, 90785101), (22, 82531910), (44, 41265955), (55, 33012764), (110, 16506382), (220, 8253191), (2677, 678260), (3083, 588940), (5354, 339130), (6166, 294470), (10708, 169565), (12332, 147235), (13385, 135652), (15415, 117788), (26770, 67826), (29447, 61660), (30830, 58894), (33913, 53540)]