20513244

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 50254848

約数和(自身を除く): 29741604

約数列:

[1, 2, 3, 4, 6, 12, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 444, 564, 983, 1739, 1966, 2949, 3478, 3932, 5217, 5898, 6956, 10434, 11796, 20868, 36371, 46201, 72742, 92402, 109113, 138603, 145484, 184804, 218226, 277206, 436452, 554412, 1709437, 3418874, 5128311, 6837748, 10256622, 20513244]

約数ペア:

[(1, 20513244), (2, 10256622), (3, 6837748), (4, 5128311), (6, 3418874), (12, 1709437), (37, 554412), (47, 436452), (74, 277206), (94, 218226), (111, 184804), (141, 145484), (148, 138603), (188, 109113), (222, 92402), (282, 72742), (444, 46201), (564, 36371), (983, 20868), (1739, 11796), (1966, 10434), (2949, 6956), (3478, 5898), (3932, 5217)]