20405916

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{33343}}^1$

素因数の和:33370

約数の個数: 36

約数和(自身を含む): 54617472

約数和(自身を除く): 34211556

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33343, 66686, 100029, 133372, 200058, 300087, 400116, 566831, 600174, 1133662, 1200348, 1700493, 2267324, 3400986, 5101479, 6801972, 10202958, 20405916]

約数ペア:

[(1, 20405916), (2, 10202958), (3, 6801972), (4, 5101479), (6, 3400986), (9, 2267324), (12, 1700493), (17, 1200348), (18, 1133662), (34, 600174), (36, 566831), (51, 400116), (68, 300087), (102, 200058), (153, 133372), (204, 100029), (306, 66686), (612, 33343)]