20212441370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:1068

約数の個数: 96

約数和(自身を含む): 40664828736

約数和(自身を除く): 20452387366

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 121, 166, 242, 313, 415, 605, 626, 643, 830, 913, 1210, 1286, 1565, 1826, 3130, 3215, 3443, 4565, 6430, 6886, 7073, 9130, 10043, 14146, 17215, 20086, 25979, 34430, 35365, 37873, 50215, 51958, 53369, 70730, 75746, 77803, 100430, 106738, 129895, 155606, 189365, 201259, 259790, 266845, 285769, 378730, 389015, 402518, 533690, 571538, 587059, 778030, 1006295, 1174118, 1428845, 2012590, 2213849, 2857690, 2935295, 3143459, 4427698, 5870590, 6286918, 6457649, 11069245, 12915298, 15717295, 16704497, 22138490, 24352339, 31434590, 32288245, 33408994, 48704678, 64576490, 83522485, 121761695, 167044970, 183749467, 243523390, 367498934, 918747335, 1837494670, 2021244137, 4042488274, 10106220685, 20212441370]

約数ペア:

[(1, 20212441370), (2, 10106220685), (5, 4042488274), (10, 2021244137), (11, 1837494670), (22, 918747335), (55, 367498934), (83, 243523390), (110, 183749467), (121, 167044970), (166, 121761695), (242, 83522485), (313, 64576490), (415, 48704678), (605, 33408994), (626, 32288245), (643, 31434590), (830, 24352339), (913, 22138490), (1210, 16704497), (1286, 15717295), (1565, 12915298), (1826, 11069245), (3130, 6457649), (3215, 6286918), (3443, 5870590), (4565, 4427698), (6430, 3143459), (6886, 2935295), (7073, 2857690), (9130, 2213849), (10043, 2012590), (14146, 1428845), (17215, 1174118), (20086, 1006295), (25979, 778030), (34430, 587059), (35365, 571538), (37873, 533690), (50215, 402518), (51958, 389015), (53369, 378730), (70730, 285769), (75746, 266845), (77803, 259790), (100430, 201259), (106738, 189365), (129895, 155606)]