20604675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3019}}^1$

素因数の和:3052

約数の個数: 48

約数和(自身を含む): 41941760

約数和(自身を除く): 21337085

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 3019, 6825, 9057, 15095, 21133, 39247, 45285, 63399, 75475, 105665, 117741, 196235, 226425, 274729, 316995, 528325, 588705, 824187, 981175, 1373645, 1584975, 2943525, 4120935, 6868225, 20604675]

約数ペア:

[(1, 20604675), (3, 6868225), (5, 4120935), (7, 2943525), (13, 1584975), (15, 1373645), (21, 981175), (25, 824187), (35, 588705), (39, 528325), (65, 316995), (75, 274729), (91, 226425), (105, 196235), (175, 117741), (195, 105665), (273, 75475), (325, 63399), (455, 45285), (525, 39247), (975, 21133), (1365, 15095), (2275, 9057), (3019, 6825)]