20216502614

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{337}}^1\times {\mathrm{5059}}^1$

素因数の和:5434

約数の個数: 72

約数和(自身を含む): 38896898040

約数和(自身を除く): 18680395426

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 337, 539, 674, 847, 1078, 1694, 2359, 3707, 4718, 5059, 5929, 7414, 10118, 11858, 16513, 25949, 33026, 35413, 40777, 51898, 55649, 70826, 81554, 111298, 181643, 247891, 285439, 363286, 389543, 495782, 570878, 612139, 779086, 1224278, 1704883, 1998073, 2726801, 3409766, 3996146, 4284973, 5453602, 8569946, 11934181, 18753713, 23868362, 29994811, 37507426, 59989622, 83539267, 131275991, 167078534, 206290843, 262551982, 412581686, 918931937, 1444035901, 1837863874, 2888071802, 10108251307, 20216502614]

約数ペア:

[(1, 20216502614), (2, 10108251307), (7, 2888071802), (11, 1837863874), (14, 1444035901), (22, 918931937), (49, 412581686), (77, 262551982), (98, 206290843), (121, 167078534), (154, 131275991), (242, 83539267), (337, 59989622), (539, 37507426), (674, 29994811), (847, 23868362), (1078, 18753713), (1694, 11934181), (2359, 8569946), (3707, 5453602), (4718, 4284973), (5059, 3996146), (5929, 3409766), (7414, 2726801), (10118, 1998073), (11858, 1704883), (16513, 1224278), (25949, 779086), (33026, 612139), (35413, 570878), (40777, 495782), (51898, 389543), (55649, 363286), (70826, 285439), (81554, 247891), (111298, 181643)]