20199492705

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1446437}}^1$

素因数の和:1446478

約数の個数: 48

約数和(自身を含む): 39574543680

約数和(自身を除く): 19375050975

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 1446437, 4339311, 7232185, 10125059, 21696555, 27482303, 30375177, 50625295, 70875413, 82446909, 137411515, 151875885, 192376121, 212626239, 354377065, 412234545, 577128363, 961880605, 1063131195, 1346632847, 2885641815, 4039898541, 6733164235, 20199492705]

約数ペア:

[(1, 20199492705), (3, 6733164235), (5, 4039898541), (7, 2885641815), (15, 1346632847), (19, 1063131195), (21, 961880605), (35, 577128363), (49, 412234545), (57, 354377065), (95, 212626239), (105, 192376121), (133, 151875885), (147, 137411515), (245, 82446909), (285, 70875413), (399, 50625295), (665, 30375177), (735, 27482303), (931, 21696555), (1995, 10125059), (2793, 7232185), (4655, 4339311), (13965, 1446437)]