20131168

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4007}}^1$

素因数の和:4174

約数の個数: 24

約数和(自身を含む): 39895632

約数和(自身を除く): 19764464

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4007, 5024, 8014, 16028, 32056, 64112, 128224, 629099, 1258198, 2516396, 5032792, 10065584, 20131168]

約数ペア:

[(1, 20131168), (2, 10065584), (4, 5032792), (8, 2516396), (16, 1258198), (32, 629099), (157, 128224), (314, 64112), (628, 32056), (1256, 16028), (2512, 8014), (4007, 5024)]