20564748

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15439}}^1$

素因数の和:15486

約数の個数: 36

約数和(自身を含む): 53391520

約数和(自身を除く): 32826772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15439, 30878, 46317, 61756, 92634, 138951, 185268, 277902, 555804, 571243, 1142486, 1713729, 2284972, 3427458, 5141187, 6854916, 10282374, 20564748]

約数ペア:

[(1, 20564748), (2, 10282374), (3, 6854916), (4, 5141187), (6, 3427458), (9, 2284972), (12, 1713729), (18, 1142486), (36, 571243), (37, 555804), (74, 277902), (111, 185268), (148, 138951), (222, 92634), (333, 61756), (444, 46317), (666, 30878), (1332, 15439)]