20225386

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 24

約数和(自身を含む): 32438340

約数和(自身を除く): 12212954

約数列:

[1, 2, 19, 38, 109, 218, 257, 361, 514, 722, 2071, 4142, 4883, 9766, 28013, 39349, 56026, 78698, 92777, 185554, 532247, 1064494, 10112693, 20225386]

約数ペア:

[(1, 20225386), (2, 10112693), (19, 1064494), (38, 532247), (109, 185554), (218, 92777), (257, 78698), (361, 56026), (514, 39349), (722, 28013), (2071, 9766), (4142, 4883)]