20194396313

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1163

約数の個数: 64

約数和(自身を含む): 26613350400

約数和(自身を除く): 6418954087

約数列:

[1, 7, 13, 23, 49, 91, 161, 223, 299, 343, 637, 883, 1127, 1561, 2093, 2899, 4459, 5129, 6181, 7889, 10927, 11479, 14651, 20293, 20309, 35903, 43267, 66677, 76489, 80353, 102557, 142051, 142163, 196909, 251321, 264017, 302869, 466739, 562471, 994357, 995141, 1378363, 1759247, 1848119, 2559817, 3267173, 3937297, 4528907, 6965987, 9648541, 12936833, 17918719, 22870211, 31702349, 58875791, 67539787, 90557831, 125431033, 221916443, 412130537, 878017231, 1553415101, 2884913759, 20194396313]

約数ペア:

[(1, 20194396313), (7, 2884913759), (13, 1553415101), (23, 878017231), (49, 412130537), (91, 221916443), (161, 125431033), (223, 90557831), (299, 67539787), (343, 58875791), (637, 31702349), (883, 22870211), (1127, 17918719), (1561, 12936833), (2093, 9648541), (2899, 6965987), (4459, 4528907), (5129, 3937297), (6181, 3267173), (7889, 2559817), (10927, 1848119), (11479, 1759247), (14651, 1378363), (20293, 995141), (20309, 994357), (35903, 562471), (43267, 466739), (66677, 302869), (76489, 264017), (80353, 251321), (102557, 196909), (142051, 142163)]