20630025

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2383

約数の個数: 48

約数和(自身を含む): 40830720

約数和(自身を除く): 20200695

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2351, 2925, 7053, 8775, 11755, 21159, 30563, 35265, 58775, 63477, 91689, 105795, 152815, 176325, 275067, 317385, 458445, 528975, 764075, 825201, 1375335, 1586925, 2292225, 4126005, 6876675, 20630025]

約数ペア:

[(1, 20630025), (3, 6876675), (5, 4126005), (9, 2292225), (13, 1586925), (15, 1375335), (25, 825201), (27, 764075), (39, 528975), (45, 458445), (65, 317385), (75, 275067), (117, 176325), (135, 152815), (195, 105795), (225, 91689), (325, 63477), (351, 58775), (585, 35265), (675, 30563), (975, 21159), (1755, 11755), (2351, 8775), (2925, 7053)]