20640912908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{9491}}^1$

素因数の和:9843

約数の個数: 96

約数和(自身を含む): 47150788608

約数和(自身を除く): 26509875700

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 307, 308, 322, 506, 614, 644, 1012, 1228, 1771, 2149, 3377, 3542, 4298, 6754, 7061, 7084, 8596, 9491, 13508, 14122, 18982, 23639, 28244, 37964, 47278, 49427, 66437, 77671, 94556, 98854, 104401, 132874, 155342, 197708, 208802, 218293, 265748, 310684, 417604, 436586, 543697, 730807, 873172, 1087394, 1461614, 1528051, 2174788, 2401223, 2913737, 2923228, 3056102, 4802446, 5827474, 6112204, 9604892, 11654948, 16808561, 20396159, 32051107, 33617122, 40792318, 64102214, 67015951, 67234244, 81584636, 128204428, 134031902, 224357749, 268063804, 448715498, 469111657, 737175461, 897430996, 938223314, 1474350922, 1876446628, 2948701844, 5160228227, 10320456454, 20640912908]

約数ペア:

[(1, 20640912908), (2, 10320456454), (4, 5160228227), (7, 2948701844), (11, 1876446628), (14, 1474350922), (22, 938223314), (23, 897430996), (28, 737175461), (44, 469111657), (46, 448715498), (77, 268063804), (92, 224357749), (154, 134031902), (161, 128204428), (253, 81584636), (307, 67234244), (308, 67015951), (322, 64102214), (506, 40792318), (614, 33617122), (644, 32051107), (1012, 20396159), (1228, 16808561), (1771, 11654948), (2149, 9604892), (3377, 6112204), (3542, 5827474), (4298, 4802446), (6754, 3056102), (7061, 2923228), (7084, 2913737), (8596, 2401223), (9491, 2174788), (13508, 1528051), (14122, 1461614), (18982, 1087394), (23639, 873172), (28244, 730807), (37964, 543697), (47278, 436586), (49427, 417604), (66437, 310684), (77671, 265748), (94556, 218293), (98854, 208802), (104401, 197708), (132874, 155342)]