20083664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 42104448

約数和(自身を除く): 22020784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1571, 1598, 3142, 3196, 6284, 6392, 12568, 12784, 25136, 26707, 53414, 73837, 106828, 147674, 213656, 295348, 427312, 590696, 1181392, 1255229, 2510458, 5020916, 10041832, 20083664]

約数ペア:

[(1, 20083664), (2, 10041832), (4, 5020916), (8, 2510458), (16, 1255229), (17, 1181392), (34, 590696), (47, 427312), (68, 295348), (94, 213656), (136, 147674), (188, 106828), (272, 73837), (376, 53414), (752, 26707), (799, 25136), (1571, 12784), (1598, 12568), (3142, 6392), (3196, 6284)]