20591168784

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{305761}}^1$

素因数の和:305856

約数の個数: 80

約数和(自身を含む): 56416758144

約数和(自身を除く): 35825589360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 61, 69, 92, 122, 138, 183, 184, 244, 276, 366, 368, 488, 552, 732, 976, 1104, 1403, 1464, 2806, 2928, 4209, 5612, 8418, 11224, 16836, 22448, 33672, 67344, 305761, 611522, 917283, 1223044, 1834566, 2446088, 3669132, 4892176, 7032503, 7338264, 14065006, 14676528, 18651421, 21097509, 28130012, 37302842, 42195018, 55954263, 56260024, 74605684, 84390036, 111908526, 112520048, 149211368, 168780072, 223817052, 298422736, 337560144, 428982683, 447634104, 857965366, 895268208, 1286948049, 1715930732, 2573896098, 3431861464, 5147792196, 6863722928, 10295584392, 20591168784]

約数ペア:

[(1, 20591168784), (2, 10295584392), (3, 6863722928), (4, 5147792196), (6, 3431861464), (8, 2573896098), (12, 1715930732), (16, 1286948049), (23, 895268208), (24, 857965366), (46, 447634104), (48, 428982683), (61, 337560144), (69, 298422736), (92, 223817052), (122, 168780072), (138, 149211368), (183, 112520048), (184, 111908526), (244, 84390036), (276, 74605684), (366, 56260024), (368, 55954263), (488, 42195018), (552, 37302842), (732, 28130012), (976, 21097509), (1104, 18651421), (1403, 14676528), (1464, 14065006), (2806, 7338264), (2928, 7032503), (4209, 4892176), (5612, 3669132), (8418, 2446088), (11224, 1834566), (16836, 1223044), (22448, 917283), (33672, 611522), (67344, 305761)]