20573325

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1051}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 39134400

約数和(自身を除く): 18561075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1051, 1305, 2175, 3153, 3915, 5255, 6525, 9459, 15765, 19575, 26275, 28377, 30479, 47295, 78825, 91437, 141885, 152395, 236475, 274311, 457185, 709425, 761975, 822933, 1371555, 2285925, 4114665, 6857775, 20573325]

約数ペア:

[(1, 20573325), (3, 6857775), (5, 4114665), (9, 2285925), (15, 1371555), (25, 822933), (27, 761975), (29, 709425), (45, 457185), (75, 274311), (87, 236475), (135, 152395), (145, 141885), (225, 91437), (261, 78825), (435, 47295), (675, 30479), (725, 28377), (783, 26275), (1051, 19575), (1305, 15765), (2175, 9459), (3153, 6525), (3915, 5255)]