20537647520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{77747}}^1$

素因数の和:77902

約数の個数: 96

約数和(自身を含む): 52664629248

約数和(自身を除く): 32126981728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 127, 130, 160, 208, 254, 260, 416, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2080, 2540, 3302, 4064, 5080, 6604, 8255, 10160, 13208, 16510, 20320, 26416, 33020, 52832, 66040, 77747, 132080, 155494, 264160, 310988, 388735, 621976, 777470, 1010711, 1243952, 1554940, 2021422, 2487904, 3109880, 4042844, 5053555, 6219760, 8085688, 9873869, 10107110, 12439520, 16171376, 19747738, 20214220, 32342752, 39495476, 40428440, 49369345, 78990952, 80856880, 98738690, 128360297, 157981904, 161713760, 197477380, 256720594, 315963808, 394954760, 513441188, 641801485, 789909520, 1026882376, 1283602970, 1579819040, 2053764752, 2567205940, 4107529504, 5134411880, 10268823760, 20537647520]

約数ペア:

[(1, 20537647520), (2, 10268823760), (4, 5134411880), (5, 4107529504), (8, 2567205940), (10, 2053764752), (13, 1579819040), (16, 1283602970), (20, 1026882376), (26, 789909520), (32, 641801485), (40, 513441188), (52, 394954760), (65, 315963808), (80, 256720594), (104, 197477380), (127, 161713760), (130, 157981904), (160, 128360297), (208, 98738690), (254, 80856880), (260, 78990952), (416, 49369345), (508, 40428440), (520, 39495476), (635, 32342752), (1016, 20214220), (1040, 19747738), (1270, 16171376), (1651, 12439520), (2032, 10107110), (2080, 9873869), (2540, 8085688), (3302, 6219760), (4064, 5053555), (5080, 4042844), (6604, 3109880), (8255, 2487904), (10160, 2021422), (13208, 1554940), (16510, 1243952), (20320, 1010711), (26416, 777470), (33020, 621976), (52832, 388735), (66040, 310988), (77747, 264160), (132080, 155494)]