20145888918

素因数分解:

$2^1\times 3^4\times {\mathrm{751}}^1\times {\mathrm{165589}}^1$

素因数の和:166354

約数の個数: 40

約数和(自身を含む): 45202095840

約数和(自身を除く): 25056206922

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 751, 1502, 2253, 4506, 6759, 13518, 20277, 40554, 60831, 121662, 165589, 331178, 496767, 993534, 1490301, 2980602, 4470903, 8941806, 13412709, 26825418, 124357339, 248714678, 373072017, 746144034, 1119216051, 2238432102, 3357648153, 6715296306, 10072944459, 20145888918]

約数ペア:

[(1, 20145888918), (2, 10072944459), (3, 6715296306), (6, 3357648153), (9, 2238432102), (18, 1119216051), (27, 746144034), (54, 373072017), (81, 248714678), (162, 124357339), (751, 26825418), (1502, 13412709), (2253, 8941806), (4506, 4470903), (6759, 2980602), (13518, 1490301), (20277, 993534), (40554, 496767), (60831, 331178), (121662, 165589)]