20099691892

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{1039}}^1$

素因数の和:1421

約数の個数: 96

約数和(自身を含む): 42066984960

約数和(自身を除く): 21967293068

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 263, 284, 497, 518, 526, 994, 1036, 1039, 1052, 1841, 1988, 2078, 2627, 3682, 4156, 5254, 7273, 7364, 9731, 10508, 14546, 18389, 18673, 19462, 29092, 36778, 37346, 38443, 38924, 68117, 73556, 73769, 74692, 76886, 130711, 136234, 147538, 153772, 261422, 269101, 272468, 273257, 295076, 516383, 522844, 538202, 546514, 690901, 1032766, 1076404, 1093028, 1381802, 1912799, 2065532, 2729453, 2763604, 3825598, 4836307, 5458906, 7651196, 9672614, 10110509, 10917812, 19106171, 19345228, 19401247, 20221018, 38212342, 38802494, 40442036, 70773563, 76424684, 77604988, 135808729, 141547126, 271617458, 283094252, 543234916, 717846139, 1435692278, 2871384556, 5024922973, 10049845946, 20099691892]

約数ペア:

[(1, 20099691892), (2, 10049845946), (4, 5024922973), (7, 2871384556), (14, 1435692278), (28, 717846139), (37, 543234916), (71, 283094252), (74, 271617458), (142, 141547126), (148, 135808729), (259, 77604988), (263, 76424684), (284, 70773563), (497, 40442036), (518, 38802494), (526, 38212342), (994, 20221018), (1036, 19401247), (1039, 19345228), (1052, 19106171), (1841, 10917812), (1988, 10110509), (2078, 9672614), (2627, 7651196), (3682, 5458906), (4156, 4836307), (5254, 3825598), (7273, 2763604), (7364, 2729453), (9731, 2065532), (10508, 1912799), (14546, 1381802), (18389, 1093028), (18673, 1076404), (19462, 1032766), (29092, 690901), (36778, 546514), (37346, 538202), (38443, 522844), (38924, 516383), (68117, 295076), (73556, 273257), (73769, 272468), (74692, 269101), (76886, 261422), (130711, 153772), (136234, 147538)]