20163328

素因数分解:

$2^8\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1092

約数の個数: 36

約数和(自身を含む): 40798240

約数和(自身を除く): 20634912

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 632, 997, 1264, 1994, 2528, 3988, 5056, 7976, 10112, 15952, 20224, 31904, 63808, 78763, 127616, 157526, 255232, 315052, 630104, 1260208, 2520416, 5040832, 10081664, 20163328]

約数ペア:

[(1, 20163328), (2, 10081664), (4, 5040832), (8, 2520416), (16, 1260208), (32, 630104), (64, 315052), (79, 255232), (128, 157526), (158, 127616), (256, 78763), (316, 63808), (632, 31904), (997, 20224), (1264, 15952), (1994, 10112), (2528, 7976), (3988, 5056)]