20898675

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4423}}^1$

素因数の和:4449

約数の個数: 48

約数和(自身を含む): 43886080

約数和(自身を除く): 22987405

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4423, 4725, 13269, 22115, 30961, 39807, 66345, 92883, 110575, 119421, 154805, 199035, 278649, 331725, 464415, 597105, 774025, 835947, 995175, 1393245, 2322075, 2985525, 4179735, 6966225, 20898675]

約数ペア:

[(1, 20898675), (3, 6966225), (5, 4179735), (7, 2985525), (9, 2322075), (15, 1393245), (21, 995175), (25, 835947), (27, 774025), (35, 597105), (45, 464415), (63, 331725), (75, 278649), (105, 199035), (135, 154805), (175, 119421), (189, 110575), (225, 92883), (315, 66345), (525, 39807), (675, 30961), (945, 22115), (1575, 13269), (4423, 4725)]