16921960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38459}}^1$

素因数の和:38481

約数の個数: 32

約数和(自身を含む): 41536800

約数和(自身を除く): 24614840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38459, 76918, 153836, 192295, 307672, 384590, 423049, 769180, 846098, 1538360, 1692196, 2115245, 3384392, 4230490, 8460980, 16921960]

約数ペア:

[(1, 16921960), (2, 8460980), (4, 4230490), (5, 3384392), (8, 2115245), (10, 1692196), (11, 1538360), (20, 846098), (22, 769180), (40, 423049), (44, 384590), (55, 307672), (88, 192295), (110, 153836), (220, 76918), (440, 38459)]