20735580087

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{309131}}^1$

素因数の和:309423

約数の個数: 24

約数和(自身を含む): 31104861840

約数和(自身を除く): 10369281753

約数列:

[1, 3, 9, 29, 87, 257, 261, 771, 2313, 7453, 22359, 67077, 309131, 927393, 2782179, 8964799, 26894397, 79446667, 80683191, 238340001, 715020003, 2303953343, 6911860029, 20735580087]

約数ペア:

[(1, 20735580087), (3, 6911860029), (9, 2303953343), (29, 715020003), (87, 238340001), (257, 80683191), (261, 79446667), (771, 26894397), (2313, 8964799), (7453, 2782179), (22359, 927393), (67077, 309131)]