20443941

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4703}}^1$

素因数の和:4742

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15682779

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4703, 14109, 32921, 42327, 98763, 108169, 126981, 296289, 324507, 757183, 888867, 973521, 2271549, 2920563, 6814647, 20443941]

約数ペア:

[(1, 20443941), (3, 6814647), (7, 2920563), (9, 2271549), (21, 973521), (23, 888867), (27, 757183), (63, 324507), (69, 296289), (161, 126981), (189, 108169), (207, 98763), (483, 42327), (621, 32921), (1449, 14109), (4347, 4703)]