20235532681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 26191872000

約数和(自身を除く): 5956339319

約数列:

[1, 7, 13, 29, 91, 127, 173, 203, 349, 377, 889, 1211, 1651, 2249, 2443, 2639, 3683, 4537, 5017, 10121, 11557, 15743, 21971, 25781, 31759, 35119, 44323, 47879, 60377, 65221, 70847, 131573, 153797, 285623, 310261, 335153, 422639, 456547, 576199, 637159, 784901, 921011, 1285367, 1750933, 1999361, 4033393, 4460113, 5494307, 7667879, 8283067, 8997569, 12256531, 16709771, 22762129, 53675153, 57981469, 99682427, 116968397, 159334903, 222368491, 697776989, 1556579437, 2890790383, 20235532681]

約数ペア:

[(1, 20235532681), (7, 2890790383), (13, 1556579437), (29, 697776989), (91, 222368491), (127, 159334903), (173, 116968397), (203, 99682427), (349, 57981469), (377, 53675153), (889, 22762129), (1211, 16709771), (1651, 12256531), (2249, 8997569), (2443, 8283067), (2639, 7667879), (3683, 5494307), (4537, 4460113), (5017, 4033393), (10121, 1999361), (11557, 1750933), (15743, 1285367), (21971, 921011), (25781, 784901), (31759, 637159), (35119, 576199), (44323, 456547), (47879, 422639), (60377, 335153), (65221, 310261), (70847, 285623), (131573, 153797)]