20199381525

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1910107}}^1$

素因数の和:1910170

約数の個数: 36

約数和(自身を含む): 36949129152

約数和(自身を除く): 16749747627

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 10575, 1910107, 5730321, 9550535, 17190963, 28651605, 47752675, 85954815, 89775029, 143258025, 269325087, 429774075, 448875145, 807975261, 1346625435, 2244375725, 4039876305, 6733127175, 20199381525]

約数ペア:

[(1, 20199381525), (3, 6733127175), (5, 4039876305), (9, 2244375725), (15, 1346625435), (25, 807975261), (45, 448875145), (47, 429774075), (75, 269325087), (141, 143258025), (225, 89775029), (235, 85954815), (423, 47752675), (705, 28651605), (1175, 17190963), (2115, 9550535), (3525, 5730321), (10575, 1910107)]