20466765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 39087360

約数和(自身を除く): 18620595

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 173, 239, 495, 519, 717, 865, 1195, 1557, 1903, 2151, 2595, 2629, 3585, 5709, 7785, 7887, 9515, 10755, 13145, 17127, 23661, 28545, 39435, 41347, 85635, 118305, 124041, 206735, 372123, 454817, 620205, 1364451, 1860615, 2274085, 4093353, 6822255, 20466765]

約数ペア:

[(1, 20466765), (3, 6822255), (5, 4093353), (9, 2274085), (11, 1860615), (15, 1364451), (33, 620205), (45, 454817), (55, 372123), (99, 206735), (165, 124041), (173, 118305), (239, 85635), (495, 41347), (519, 39435), (717, 28545), (865, 23661), (1195, 17127), (1557, 13145), (1903, 10755), (2151, 9515), (2595, 7887), (2629, 7785), (3585, 5709)]