20931372012

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1\times {\mathrm{20627}}^1$

素因数の和:21558

約数の個数: 48

約数和(自身を含む): 49376500992

約数和(自身を除く): 28445128980

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 821, 1236, 1642, 2463, 3284, 4926, 9852, 20627, 41254, 61881, 82508, 84563, 123762, 169126, 247524, 253689, 338252, 507378, 1014756, 2124581, 4249162, 6373743, 8498324, 12747486, 16934767, 25494972, 33869534, 50804301, 67739068, 101608602, 203217204, 1744281001, 3488562002, 5232843003, 6977124004, 10465686006, 20931372012]

約数ペア:

[(1, 20931372012), (2, 10465686006), (3, 6977124004), (4, 5232843003), (6, 3488562002), (12, 1744281001), (103, 203217204), (206, 101608602), (309, 67739068), (412, 50804301), (618, 33869534), (821, 25494972), (1236, 16934767), (1642, 12747486), (2463, 8498324), (3284, 6373743), (4926, 4249162), (9852, 2124581), (20627, 1014756), (41254, 507378), (61881, 338252), (82508, 253689), (84563, 247524), (123762, 169126)]