20128357629

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1\times {\mathrm{1613}}^1$

素因数の和:2547

約数の個数: 64

約数和(自身を含む): 32649799680

約数和(自身を除く): 12521442051

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 877, 1581, 1613, 2631, 4743, 4839, 7893, 14229, 14517, 14909, 23679, 27187, 27421, 43551, 44727, 50003, 81561, 82263, 134181, 150009, 244683, 246789, 402543, 450027, 462179, 734049, 740367, 850051, 1350081, 1386537, 1414601, 2550153, 4159611, 4243803, 7650459, 12478833, 12731409, 22951377, 24048217, 38194227, 43852631, 72144651, 131557893, 216433953, 394673679, 649301859, 745494727, 1184021037, 2236484181, 6709452543, 20128357629]

約数ペア:

[(1, 20128357629), (3, 6709452543), (9, 2236484181), (17, 1184021037), (27, 745494727), (31, 649301859), (51, 394673679), (93, 216433953), (153, 131557893), (279, 72144651), (459, 43852631), (527, 38194227), (837, 24048217), (877, 22951377), (1581, 12731409), (1613, 12478833), (2631, 7650459), (4743, 4243803), (4839, 4159611), (7893, 2550153), (14229, 1414601), (14517, 1386537), (14909, 1350081), (23679, 850051), (27187, 740367), (27421, 734049), (43551, 462179), (44727, 450027), (50003, 402543), (81561, 246789), (82263, 244683), (134181, 150009)]