20973530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 40037760

約数和(自身を除く): 19064230

約数列:

[1, 2, 5, 10, 19, 38, 95, 167, 190, 334, 661, 835, 1322, 1670, 3173, 3305, 6346, 6610, 12559, 15865, 25118, 31730, 62795, 110387, 125590, 220774, 551935, 1103870, 2097353, 4194706, 10486765, 20973530]

約数ペア:

[(1, 20973530), (2, 10486765), (5, 4194706), (10, 2097353), (19, 1103870), (38, 551935), (95, 220774), (167, 125590), (190, 110387), (334, 62795), (661, 31730), (835, 25118), (1322, 15865), (1670, 12559), (3173, 6610), (3305, 6346)]