20416048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 42800832

約数和(自身を除く): 22384784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1597, 1598, 3194, 3196, 6388, 6392, 12776, 12784, 25552, 27149, 54298, 75059, 108596, 150118, 217192, 300236, 434384, 600472, 1200944, 1276003, 2552006, 5104012, 10208024, 20416048]

約数ペア:

[(1, 20416048), (2, 10208024), (4, 5104012), (8, 2552006), (16, 1276003), (17, 1200944), (34, 600472), (47, 434384), (68, 300236), (94, 217192), (136, 150118), (188, 108596), (272, 75059), (376, 54298), (752, 27149), (799, 25552), (1597, 12784), (1598, 12776), (3194, 6392), (3196, 6388)]