20804497923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2383}}^1\times {\mathrm{4337}}^1$

素因数の和:6795

約数の個数: 32

約数和(自身を含む): 30777172992

約数和(自身を除く): 9972675069

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 2383, 4337, 7149, 13011, 26213, 47707, 78639, 143121, 145363, 264557, 436089, 793671, 1598993, 2910127, 4796979, 8730381, 10335071, 31005213, 113685781, 341057343, 630439331, 1891317993, 6934832641, 20804497923]

約数ペア:

[(1, 20804497923), (3, 6934832641), (11, 1891317993), (33, 630439331), (61, 341057343), (183, 113685781), (671, 31005213), (2013, 10335071), (2383, 8730381), (4337, 4796979), (7149, 2910127), (13011, 1598993), (26213, 793671), (47707, 436089), (78639, 264557), (143121, 145363)]