20165648748

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{126551}}^1$

素因数の和:126843

約数の個数: 72

約数和(自身を含む): 54937741824

約数和(自身を除く): 34772093076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 271, 294, 542, 588, 813, 1084, 1626, 1897, 3252, 3794, 5691, 7588, 11382, 13279, 22764, 26558, 39837, 53116, 79674, 126551, 159348, 253102, 379653, 506204, 759306, 885857, 1518612, 1771714, 2657571, 3543428, 5315142, 6200999, 10630284, 12401998, 18602997, 24803996, 34295321, 37205994, 68590642, 74411988, 102885963, 137181284, 205771926, 240067247, 411543852, 480134494, 720201741, 960268988, 1440403482, 1680470729, 2880806964, 3360941458, 5041412187, 6721882916, 10082824374, 20165648748]

約数ペア:

[(1, 20165648748), (2, 10082824374), (3, 6721882916), (4, 5041412187), (6, 3360941458), (7, 2880806964), (12, 1680470729), (14, 1440403482), (21, 960268988), (28, 720201741), (42, 480134494), (49, 411543852), (84, 240067247), (98, 205771926), (147, 137181284), (196, 102885963), (271, 74411988), (294, 68590642), (542, 37205994), (588, 34295321), (813, 24803996), (1084, 18602997), (1626, 12401998), (1897, 10630284), (3252, 6200999), (3794, 5315142), (5691, 3543428), (7588, 2657571), (11382, 1771714), (13279, 1518612), (22764, 885857), (26558, 759306), (39837, 506204), (53116, 379653), (79674, 253102), (126551, 159348)]