20223560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72227}}^1$

素因数の和:72245

約数の個数: 32

約数和(自身を含む): 52004160

約数和(自身を除く): 31780600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72227, 144454, 288908, 361135, 505589, 577816, 722270, 1011178, 1444540, 2022356, 2527945, 2889080, 4044712, 5055890, 10111780, 20223560]

約数ペア:

[(1, 20223560), (2, 10111780), (4, 5055890), (5, 4044712), (7, 2889080), (8, 2527945), (10, 2022356), (14, 1444540), (20, 1011178), (28, 722270), (35, 577816), (40, 505589), (56, 361135), (70, 288908), (140, 144454), (280, 72227)]