20941144

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21997}}^1$

素因数の和:22027

約数の個数: 32

約数和(自身を含む): 47515680

約数和(自身を除く): 26574536

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 21997, 43994, 87988, 153979, 175976, 307958, 373949, 615916, 747898, 1231832, 1495796, 2617643, 2991592, 5235286, 10470572, 20941144]

約数ペア:

[(1, 20941144), (2, 10470572), (4, 5235286), (7, 2991592), (8, 2617643), (14, 1495796), (17, 1231832), (28, 747898), (34, 615916), (56, 373949), (68, 307958), (119, 175976), (136, 153979), (238, 87988), (476, 43994), (952, 21997)]