20246778

素因数分解:

$2^1\times 3^2\times {\mathrm{1031}}^1\times {\mathrm{1091}}^1$

素因数の和:2130

約数の個数: 24

約数和(自身を含む): 43950816

約数和(自身を除く): 23704038

約数列:

[1, 2, 3, 6, 9, 18, 1031, 1091, 2062, 2182, 3093, 3273, 6186, 6546, 9279, 9819, 18558, 19638, 1124821, 2249642, 3374463, 6748926, 10123389, 20246778]

約数ペア:

[(1, 20246778), (2, 10123389), (3, 6748926), (6, 3374463), (9, 2249642), (18, 1124821), (1031, 19638), (1091, 18558), (2062, 9819), (2182, 9279), (3093, 6546), (3273, 6186)]