20023184440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71511373}}^1$

素因数の和:71511391

約数の個数: 32

約数和(自身を含む): 51488189280

約数和(自身を除く): 31465004840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71511373, 143022746, 286045492, 357556865, 500579611, 572090984, 715113730, 1001159222, 1430227460, 2002318444, 2502898055, 2860454920, 4004636888, 5005796110, 10011592220, 20023184440]

約数ペア:

[(1, 20023184440), (2, 10011592220), (4, 5005796110), (5, 4004636888), (7, 2860454920), (8, 2502898055), (10, 2002318444), (14, 1430227460), (20, 1001159222), (28, 715113730), (35, 572090984), (40, 500579611), (56, 357556865), (70, 286045492), (140, 143022746), (280, 71511373)]