20163778

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4519}}^1$

素因数の和:4641

約数の個数: 16

約数和(自身を含む): 31893120

約数和(自身を除く): 11729342

約数列:

[1, 2, 23, 46, 97, 194, 2231, 4462, 4519, 9038, 103937, 207874, 438343, 876686, 10081889, 20163778]

約数ペア:

[(1, 20163778), (2, 10081889), (23, 876686), (46, 438343), (97, 207874), (194, 103937), (2231, 9038), (4462, 4519)]