427898020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1944991}}^1$

素因数の和:1945011

約数の個数: 24

約数和(自身を含む): 980275968

約数和(自身を除く): 552377948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1944991, 3889982, 7779964, 9724955, 19449910, 21394901, 38899820, 42789802, 85579604, 106974505, 213949010, 427898020]

約数ペア:

[(1, 427898020), (2, 213949010), (4, 106974505), (5, 85579604), (10, 42789802), (11, 38899820), (20, 21394901), (22, 19449910), (44, 9724955), (55, 7779964), (110, 3889982), (220, 1944991)]