20536866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 30568734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 389, 419, 778, 838, 1167, 1257, 2334, 2514, 2723, 2933, 3501, 3771, 5446, 5866, 7002, 7542, 8169, 8799, 16338, 17598, 24507, 26397, 49014, 52794, 162991, 325982, 488973, 977946, 1140937, 1466919, 2281874, 2933838, 3422811, 6845622, 10268433, 20536866]

約数ペア:

[(1, 20536866), (2, 10268433), (3, 6845622), (6, 3422811), (7, 2933838), (9, 2281874), (14, 1466919), (18, 1140937), (21, 977946), (42, 488973), (63, 325982), (126, 162991), (389, 52794), (419, 49014), (778, 26397), (838, 24507), (1167, 17598), (1257, 16338), (2334, 8799), (2514, 8169), (2723, 7542), (2933, 7002), (3501, 5866), (3771, 5446)]