20108718

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3257}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 50824800

約数和(自身を除く): 30716082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3257, 6174, 6514, 9771, 19542, 22799, 29313, 45598, 58626, 68397, 136794, 159593, 205191, 319186, 410382, 478779, 957558, 1117151, 1436337, 2234302, 2872674, 3351453, 6702906, 10054359, 20108718]

約数ペア:

[(1, 20108718), (2, 10054359), (3, 6702906), (6, 3351453), (7, 2872674), (9, 2234302), (14, 1436337), (18, 1117151), (21, 957558), (42, 478779), (49, 410382), (63, 319186), (98, 205191), (126, 159593), (147, 136794), (294, 68397), (343, 58626), (441, 45598), (686, 29313), (882, 22799), (1029, 19542), (2058, 9771), (3087, 6514), (3257, 6174)]