20720349732

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{212203}}^1$

素因数の和:212392

約数の個数: 48

約数和(自身を含む): 49435043840

約数和(自身を除く): 28714694108

約数列:

[1, 2, 3, 4, 6, 12, 79, 103, 158, 206, 237, 309, 316, 412, 474, 618, 948, 1236, 8137, 16274, 24411, 32548, 48822, 97644, 212203, 424406, 636609, 848812, 1273218, 2546436, 16764037, 21856909, 33528074, 43713818, 50292111, 65570727, 67056148, 87427636, 100584222, 131141454, 201168444, 262282908, 1726695811, 3453391622, 5180087433, 6906783244, 10360174866, 20720349732]

約数ペア:

[(1, 20720349732), (2, 10360174866), (3, 6906783244), (4, 5180087433), (6, 3453391622), (12, 1726695811), (79, 262282908), (103, 201168444), (158, 131141454), (206, 100584222), (237, 87427636), (309, 67056148), (316, 65570727), (412, 50292111), (474, 43713818), (618, 33528074), (948, 21856909), (1236, 16764037), (8137, 2546436), (16274, 1273218), (24411, 848812), (32548, 636609), (48822, 424406), (97644, 212203)]