20477492

素因数分解:

$2^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:756

約数の個数: 36

約数和(自身を含む): 41981184

約数和(自身を除く): 21503692

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 191, 196, 382, 547, 764, 1094, 1337, 2188, 2674, 3829, 5348, 7658, 9359, 15316, 18718, 26803, 37436, 53606, 104477, 107212, 208954, 417908, 731339, 1462678, 2925356, 5119373, 10238746, 20477492]

約数ペア:

[(1, 20477492), (2, 10238746), (4, 5119373), (7, 2925356), (14, 1462678), (28, 731339), (49, 417908), (98, 208954), (191, 107212), (196, 104477), (382, 53606), (547, 37436), (764, 26803), (1094, 18718), (1337, 15316), (2188, 9359), (2674, 7658), (3829, 5348)]