20052825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 36206016

約数和(自身を除く): 16153191

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 131, 157, 195, 325, 393, 471, 655, 785, 975, 1703, 1965, 2041, 2355, 3275, 3925, 5109, 6123, 8515, 9825, 10205, 11775, 20567, 25545, 30615, 42575, 51025, 61701, 102835, 127725, 153075, 267371, 308505, 514175, 802113, 1336855, 1542525, 4010565, 6684275, 20052825]

約数ペア:

[(1, 20052825), (3, 6684275), (5, 4010565), (13, 1542525), (15, 1336855), (25, 802113), (39, 514175), (65, 308505), (75, 267371), (131, 153075), (157, 127725), (195, 102835), (325, 61701), (393, 51025), (471, 42575), (655, 30615), (785, 25545), (975, 20567), (1703, 11775), (1965, 10205), (2041, 9825), (2355, 8515), (3275, 6123), (3925, 5109)]