20320680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169339}}^1$

素因数の和:169353

約数の個数: 32

約数和(自身を含む): 60962400

約数和(自身を除く): 40641720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169339, 338678, 508017, 677356, 846695, 1016034, 1354712, 1693390, 2032068, 2540085, 3386780, 4064136, 5080170, 6773560, 10160340, 20320680]

約数ペア:

[(1, 20320680), (2, 10160340), (3, 6773560), (4, 5080170), (5, 4064136), (6, 3386780), (8, 2540085), (10, 2032068), (12, 1693390), (15, 1354712), (20, 1016034), (24, 846695), (30, 677356), (40, 508017), (60, 338678), (120, 169339)]