420920272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1547501}}^1$

素因数の和:1547526

約数の個数: 20

約数和(自身を含む): 863506116

約数和(自身を除く): 442585844

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1547501, 3095002, 6190004, 12380008, 24760016, 26307517, 52615034, 105230068, 210460136, 420920272]

約数ペア:

[(1, 420920272), (2, 210460136), (4, 105230068), (8, 52615034), (16, 26307517), (17, 24760016), (34, 12380008), (68, 6190004), (136, 3095002), (272, 1547501)]