20097441

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 36481536

約数和(自身を除く): 16384095

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 463, 477, 689, 819, 1113, 1389, 2067, 3241, 3339, 4167, 4823, 6019, 6201, 9723, 14469, 18057, 24539, 29169, 42133, 43407, 54171, 73617, 126399, 171773, 220851, 319007, 379197, 515319, 957021, 1545957, 2233049, 2871063, 6699147, 20097441]

約数ペア:

[(1, 20097441), (3, 6699147), (7, 2871063), (9, 2233049), (13, 1545957), (21, 957021), (39, 515319), (53, 379197), (63, 319007), (91, 220851), (117, 171773), (159, 126399), (273, 73617), (371, 54171), (463, 43407), (477, 42133), (689, 29169), (819, 24539), (1113, 18057), (1389, 14469), (2067, 9723), (3241, 6201), (3339, 6019), (4167, 4823)]