20223665560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{6737}}^1$

素因数の和:6977

約数の個数: 128

約数和(自身を含む): 53093283840

約数和(自身を除く): 32869618280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 151, 280, 284, 302, 355, 497, 568, 604, 710, 755, 994, 1057, 1208, 1420, 1510, 1988, 2114, 2485, 2840, 3020, 3976, 4228, 4970, 5285, 6040, 6737, 8456, 9940, 10570, 10721, 13474, 19880, 21140, 21442, 26948, 33685, 42280, 42884, 47159, 53605, 53896, 67370, 75047, 85768, 94318, 107210, 134740, 150094, 188636, 214420, 235795, 269480, 300188, 375235, 377272, 428840, 471590, 478327, 600376, 750470, 943180, 956654, 1017287, 1500940, 1886360, 1913308, 2034574, 2391635, 3001880, 3348289, 3826616, 4069148, 4783270, 5086435, 6696578, 7121009, 8138296, 9566540, 10172870, 13393156, 14242018, 16741445, 19133080, 20345740, 26786312, 28484036, 33482890, 35605045, 40691480, 56968072, 66965780, 71210090, 72227377, 133931560, 142420180, 144454754, 284840360, 288909508, 361136885, 505591639, 577819016, 722273770, 1011183278, 1444547540, 2022366556, 2527958195, 2889095080, 4044733112, 5055916390, 10111832780, 20223665560]

約数ペア:

[(1, 20223665560), (2, 10111832780), (4, 5055916390), (5, 4044733112), (7, 2889095080), (8, 2527958195), (10, 2022366556), (14, 1444547540), (20, 1011183278), (28, 722273770), (35, 577819016), (40, 505591639), (56, 361136885), (70, 288909508), (71, 284840360), (140, 144454754), (142, 142420180), (151, 133931560), (280, 72227377), (284, 71210090), (302, 66965780), (355, 56968072), (497, 40691480), (568, 35605045), (604, 33482890), (710, 28484036), (755, 26786312), (994, 20345740), (1057, 19133080), (1208, 16741445), (1420, 14242018), (1510, 13393156), (1988, 10172870), (2114, 9566540), (2485, 8138296), (2840, 7121009), (3020, 6696578), (3976, 5086435), (4228, 4783270), (4970, 4069148), (5285, 3826616), (6040, 3348289), (6737, 3001880), (8456, 2391635), (9940, 2034574), (10570, 1913308), (10721, 1886360), (13474, 1500940), (19880, 1017287), (21140, 956654), (21442, 943180), (26948, 750470), (33685, 600376), (42280, 478327), (42884, 471590), (47159, 428840), (53605, 377272), (53896, 375235), (67370, 300188), (75047, 269480), (85768, 235795), (94318, 214420), (107210, 188636), (134740, 150094)]