20041840225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{14423}}^1$

素因数の和:14638

約数の個数: 48

約数和(自身を含む): 28159340544

約数和(自身を除く): 8117500319

約数列:

[1, 5, 11, 25, 31, 55, 155, 163, 275, 341, 775, 815, 1705, 1793, 4075, 5053, 8525, 8965, 14423, 25265, 44825, 55583, 72115, 126325, 158653, 277915, 360575, 447113, 793265, 1389575, 2235565, 2350949, 3966325, 4918243, 11177825, 11754745, 24591215, 25860439, 58773725, 72879419, 122956075, 129302195, 364397095, 646510975, 801673609, 1821985475, 4008368045, 20041840225]

約数ペア:

[(1, 20041840225), (5, 4008368045), (11, 1821985475), (25, 801673609), (31, 646510975), (55, 364397095), (155, 129302195), (163, 122956075), (275, 72879419), (341, 58773725), (775, 25860439), (815, 24591215), (1705, 11754745), (1793, 11177825), (4075, 4918243), (5053, 3966325), (8525, 2350949), (8965, 2235565), (14423, 1389575), (25265, 793265), (44825, 447113), (55583, 360575), (72115, 277915), (126325, 158653)]