20123872

素因数分解:

$2^5\times {\mathrm{563}}^1\times {\mathrm{1117}}^1$

素因数の和:1690

約数の個数: 24

約数和(自身を含む): 39724776

約数和(自身を除く): 19600904

約数列:

[1, 2, 4, 8, 16, 32, 563, 1117, 1126, 2234, 2252, 4468, 4504, 8936, 9008, 17872, 18016, 35744, 628871, 1257742, 2515484, 5030968, 10061936, 20123872]

約数ペア:

[(1, 20123872), (2, 10061936), (4, 5030968), (8, 2515484), (16, 1257742), (32, 628871), (563, 35744), (1117, 18016), (1126, 17872), (2234, 9008), (2252, 8936), (4468, 4504)]