20072475

素因数分解:

$3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 37319040

約数和(自身を除く): 17246565

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 131, 135, 225, 227, 393, 655, 675, 681, 1135, 1179, 1965, 2043, 3275, 3405, 3537, 5675, 5895, 6129, 9825, 10215, 17025, 17685, 29475, 29737, 30645, 51075, 88425, 89211, 148685, 153225, 267633, 446055, 743425, 802899, 1338165, 2230275, 4014495, 6690825, 20072475]

約数ペア:

[(1, 20072475), (3, 6690825), (5, 4014495), (9, 2230275), (15, 1338165), (25, 802899), (27, 743425), (45, 446055), (75, 267633), (131, 153225), (135, 148685), (225, 89211), (227, 88425), (393, 51075), (655, 30645), (675, 29737), (681, 29475), (1135, 17685), (1179, 17025), (1965, 10215), (2043, 9825), (3275, 6129), (3405, 5895), (3537, 5675)]