20187293360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{31769}}^1$

素因数の和:31855

約数の個数: 120

約数和(自身を含む): 51906588480

約数和(自身を除く): 31719295120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 169, 188, 208, 235, 260, 338, 376, 470, 520, 611, 676, 752, 845, 940, 1040, 1222, 1352, 1690, 1880, 2444, 2704, 3055, 3380, 3760, 4888, 6110, 6760, 7943, 9776, 12220, 13520, 15886, 24440, 31769, 31772, 39715, 48880, 63538, 63544, 79430, 127076, 127088, 158845, 158860, 254152, 317690, 317720, 412997, 508304, 635380, 635440, 825994, 1270760, 1493143, 1651988, 2064985, 2541520, 2986286, 3303976, 4129970, 5368961, 5972572, 6607952, 7465715, 8259940, 10737922, 11945144, 14931430, 16519880, 19410859, 21475844, 23890288, 26844805, 29862860, 33039760, 38821718, 42951688, 53689610, 59725720, 77643436, 85903376, 97054295, 107379220, 119451440, 155286872, 194108590, 214758440, 252341167, 310573744, 388217180, 429516880, 504682334, 776434360, 1009364668, 1261705835, 1552868720, 2018729336, 2523411670, 4037458672, 5046823340, 10093646680, 20187293360]

約数ペア:

[(1, 20187293360), (2, 10093646680), (4, 5046823340), (5, 4037458672), (8, 2523411670), (10, 2018729336), (13, 1552868720), (16, 1261705835), (20, 1009364668), (26, 776434360), (40, 504682334), (47, 429516880), (52, 388217180), (65, 310573744), (80, 252341167), (94, 214758440), (104, 194108590), (130, 155286872), (169, 119451440), (188, 107379220), (208, 97054295), (235, 85903376), (260, 77643436), (338, 59725720), (376, 53689610), (470, 42951688), (520, 38821718), (611, 33039760), (676, 29862860), (752, 26844805), (845, 23890288), (940, 21475844), (1040, 19410859), (1222, 16519880), (1352, 14931430), (1690, 11945144), (1880, 10737922), (2444, 8259940), (2704, 7465715), (3055, 6607952), (3380, 5972572), (3760, 5368961), (4888, 4129970), (6110, 3303976), (6760, 2986286), (7943, 2541520), (9776, 2064985), (12220, 1651988), (13520, 1493143), (15886, 1270760), (24440, 825994), (31769, 635440), (31772, 635380), (39715, 508304), (48880, 412997), (63538, 317720), (63544, 317690), (79430, 254152), (127076, 158860), (127088, 158845)]