220805648

素因数分解:

$2^4\times 7^1\times {\mathrm{1971479}}^1$

素因数の和:1971494

約数の個数: 20

約数和(自身を含む): 488927040

約数和(自身を除く): 268121392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1971479, 3942958, 7885916, 13800353, 15771832, 27600706, 31543664, 55201412, 110402824, 220805648]

約数ペア:

[(1, 220805648), (2, 110402824), (4, 55201412), (7, 31543664), (8, 27600706), (14, 15771832), (16, 13800353), (28, 7885916), (56, 3942958), (112, 1971479)]