20290875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4919}}^1$

素因数の和:4948

約数の個数: 32

約数和(自身を含む): 36840960

約数和(自身を除く): 16550085

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4919, 14757, 24595, 54109, 73785, 122975, 162327, 270545, 368925, 614875, 811635, 1352725, 1844625, 4058175, 6763625, 20290875]

約数ペア:

[(1, 20290875), (3, 6763625), (5, 4058175), (11, 1844625), (15, 1352725), (25, 811635), (33, 614875), (55, 368925), (75, 270545), (125, 162327), (165, 122975), (275, 73785), (375, 54109), (825, 24595), (1375, 14757), (4125, 4919)]