20271069

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 36796032

約数和(自身を除く): 16524963

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 467, 477, 689, 819, 1113, 1401, 2067, 3269, 3339, 4203, 4823, 6071, 6201, 9807, 14469, 18213, 24751, 29421, 42497, 43407, 54639, 74253, 127491, 173257, 222759, 321763, 382473, 519771, 965289, 1559313, 2252341, 2895867, 6757023, 20271069]

約数ペア:

[(1, 20271069), (3, 6757023), (7, 2895867), (9, 2252341), (13, 1559313), (21, 965289), (39, 519771), (53, 382473), (63, 321763), (91, 222759), (117, 173257), (159, 127491), (273, 74253), (371, 54639), (467, 43407), (477, 42497), (689, 29421), (819, 24751), (1113, 18213), (1401, 14469), (2067, 9807), (3269, 6201), (3339, 6071), (4203, 4823)]