20334440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72623}}^1$

素因数の和:72641

約数の個数: 32

約数和(自身を含む): 52289280

約数和(自身を除く): 31954840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72623, 145246, 290492, 363115, 508361, 580984, 726230, 1016722, 1452460, 2033444, 2541805, 2904920, 4066888, 5083610, 10167220, 20334440]

約数ペア:

[(1, 20334440), (2, 10167220), (4, 5083610), (5, 4066888), (7, 2904920), (8, 2541805), (10, 2033444), (14, 1452460), (20, 1016722), (28, 726230), (35, 580984), (40, 508361), (56, 363115), (70, 290492), (140, 145246), (280, 72623)]