20137964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{433}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 44330496

約数和(自身を除く): 24192532

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 151, 154, 302, 308, 433, 604, 866, 1057, 1661, 1732, 2114, 3031, 3322, 4228, 4763, 6062, 6644, 9526, 11627, 12124, 19052, 23254, 33341, 46508, 65383, 66682, 130766, 133364, 261532, 457681, 719213, 915362, 1438426, 1830724, 2876852, 5034491, 10068982, 20137964]

約数ペア:

[(1, 20137964), (2, 10068982), (4, 5034491), (7, 2876852), (11, 1830724), (14, 1438426), (22, 915362), (28, 719213), (44, 457681), (77, 261532), (151, 133364), (154, 130766), (302, 66682), (308, 65383), (433, 46508), (604, 33341), (866, 23254), (1057, 19052), (1661, 12124), (1732, 11627), (2114, 9526), (3031, 6644), (3322, 6062), (4228, 4763)]