20067152

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1289}}^1$

素因数の和:1443

約数の個数: 40

約数和(自身を含む): 44788800

約数和(自身を除く): 24721648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1289, 1946, 2224, 2578, 3892, 5156, 7784, 9023, 10312, 15568, 18046, 20624, 36092, 72184, 144368, 179171, 358342, 716684, 1254197, 1433368, 2508394, 2866736, 5016788, 10033576, 20067152]

約数ペア:

[(1, 20067152), (2, 10033576), (4, 5016788), (7, 2866736), (8, 2508394), (14, 1433368), (16, 1254197), (28, 716684), (56, 358342), (112, 179171), (139, 144368), (278, 72184), (556, 36092), (973, 20624), (1112, 18046), (1289, 15568), (1946, 10312), (2224, 9023), (2578, 7784), (3892, 5156)]