20010903

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{631}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 30123648

約数和(自身を除く): 10112745

約数列:

[1, 3, 11, 31, 33, 93, 341, 631, 961, 1023, 1893, 2883, 6941, 10571, 19561, 20823, 31713, 58683, 215171, 606391, 645513, 1819173, 6670301, 20010903]

約数ペア:

[(1, 20010903), (3, 6670301), (11, 1819173), (31, 645513), (33, 606391), (93, 215171), (341, 58683), (631, 31713), (961, 20823), (1023, 19561), (1893, 10571), (2883, 6941)]