20124898087

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{313}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 25523527680

約数和(自身を除く): 5398629593

約数列:

[1, 7, 23, 29, 47, 161, 203, 293, 313, 329, 667, 1081, 1363, 2051, 2191, 4669, 6739, 7199, 7567, 8497, 9077, 9541, 13771, 14711, 31349, 47173, 50393, 59479, 63539, 91709, 96397, 102977, 195431, 208771, 219443, 316733, 338353, 399359, 426619, 641963, 1368017, 1461397, 2109307, 2217131, 2368471, 2659561, 2795513, 2986333, 4310323, 9185257, 9812237, 14765149, 18616927, 30172261, 61169903, 64296799, 68685659, 99137429, 124999367, 428189321, 693962003, 874995569, 2874985441, 20124898087]

約数ペア:

[(1, 20124898087), (7, 2874985441), (23, 874995569), (29, 693962003), (47, 428189321), (161, 124999367), (203, 99137429), (293, 68685659), (313, 64296799), (329, 61169903), (667, 30172261), (1081, 18616927), (1363, 14765149), (2051, 9812237), (2191, 9185257), (4669, 4310323), (6739, 2986333), (7199, 2795513), (7567, 2659561), (8497, 2368471), (9077, 2217131), (9541, 2109307), (13771, 1461397), (14711, 1368017), (31349, 641963), (47173, 426619), (50393, 399359), (59479, 338353), (63539, 316733), (91709, 219443), (96397, 208771), (102977, 195431)]