20292872

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{383}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 19105528

約数列:

[1, 2, 4, 8, 37, 74, 148, 179, 296, 358, 383, 716, 766, 1432, 1532, 3064, 6623, 13246, 14171, 26492, 28342, 52984, 56684, 68557, 113368, 137114, 274228, 548456, 2536609, 5073218, 10146436, 20292872]

約数ペア:

[(1, 20292872), (2, 10146436), (4, 5073218), (8, 2536609), (37, 548456), (74, 274228), (148, 137114), (179, 113368), (296, 68557), (358, 56684), (383, 52984), (716, 28342), (766, 26492), (1432, 14171), (1532, 13246), (3064, 6623)]