20470408

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8501}}^1$

素因数の和:8557

約数の個数: 32

約数和(自身を含む): 44890560

約数和(自身を除く): 24420152

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8501, 17002, 34004, 59507, 68008, 119014, 238028, 365543, 476056, 731086, 1462172, 2558801, 2924344, 5117602, 10235204, 20470408]

約数ペア:

[(1, 20470408), (2, 10235204), (4, 5117602), (7, 2924344), (8, 2558801), (14, 1462172), (28, 731086), (43, 476056), (56, 365543), (86, 238028), (172, 119014), (301, 68008), (344, 59507), (602, 34004), (1204, 17002), (2408, 8501)]