20212454672

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12264839}}^1$

素因数の和:12264950

約数の個数: 20

約数和(自身を含む): 39541844160

約数和(自身を除く): 19329389488

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12264839, 24529678, 49059356, 98118712, 196237424, 1263278417, 2526556834, 5053113668, 10106227336, 20212454672]

約数ペア:

[(1, 20212454672), (2, 10106227336), (4, 5053113668), (8, 2526556834), (16, 1263278417), (103, 196237424), (206, 98118712), (412, 49059356), (824, 24529678), (1648, 12264839)]