20020814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{3541}}^1$

素因数の和:3811

約数の個数: 16

約数和(自身を含む): 32898096

約数和(自身を除く): 12877282

約数列:

[1, 2, 11, 22, 257, 514, 2827, 3541, 5654, 7082, 38951, 77902, 910037, 1820074, 10010407, 20020814]

約数ペア:

[(1, 20020814), (2, 10010407), (11, 1820074), (22, 910037), (257, 77902), (514, 38951), (2827, 7082), (3541, 5654)]