20166085648

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{5399}}^1$

素因数の和:5600

約数の個数: 80

約数和(自身を含む): 41100048000

約数和(自身を除く): 20933962352

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 89, 122, 172, 178, 244, 344, 356, 488, 688, 712, 976, 1424, 2623, 3827, 5246, 5399, 5429, 7654, 10492, 10798, 10858, 15308, 20984, 21596, 21716, 30616, 41968, 43192, 43432, 61232, 86384, 86864, 232157, 233447, 329339, 464314, 466894, 480511, 658678, 928628, 933788, 961022, 1317356, 1857256, 1867576, 1922044, 2634712, 3714512, 3735152, 3844088, 5269424, 7688176, 14161577, 20661973, 28323154, 29311171, 41323946, 56646308, 58622342, 82647892, 113292616, 117244684, 165295784, 226585232, 234489368, 330591568, 468978736, 1260380353, 2520760706, 5041521412, 10083042824, 20166085648]

約数ペア:

[(1, 20166085648), (2, 10083042824), (4, 5041521412), (8, 2520760706), (16, 1260380353), (43, 468978736), (61, 330591568), (86, 234489368), (89, 226585232), (122, 165295784), (172, 117244684), (178, 113292616), (244, 82647892), (344, 58622342), (356, 56646308), (488, 41323946), (688, 29311171), (712, 28323154), (976, 20661973), (1424, 14161577), (2623, 7688176), (3827, 5269424), (5246, 3844088), (5399, 3735152), (5429, 3714512), (7654, 2634712), (10492, 1922044), (10798, 1867576), (10858, 1857256), (15308, 1317356), (20984, 961022), (21596, 933788), (21716, 928628), (30616, 658678), (41968, 480511), (43192, 466894), (43432, 464314), (61232, 329339), (86384, 233447), (86864, 232157)]