20211059181

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1\times {\mathrm{3559}}^1$

素因数の和:4089

約数の個数: 32

約数和(自身を含む): 28051660800

約数和(自身を除く): 7840601619

約数列:

[1, 3, 31, 93, 227, 269, 681, 807, 3559, 7037, 8339, 10677, 21111, 25017, 61063, 110329, 183189, 330987, 807893, 957371, 1892953, 2423679, 2872113, 5678859, 25044683, 29678501, 75134049, 89035503, 217323217, 651969651, 6737019727, 20211059181]

約数ペア:

[(1, 20211059181), (3, 6737019727), (31, 651969651), (93, 217323217), (227, 89035503), (269, 75134049), (681, 29678501), (807, 25044683), (3559, 5678859), (7037, 2872113), (8339, 2423679), (10677, 1892953), (21111, 957371), (25017, 807893), (61063, 330987), (110329, 183189)]