20212558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 13407410

約数列:

[1, 2, 17, 31, 34, 62, 127, 151, 254, 302, 527, 1054, 2159, 2567, 3937, 4318, 4681, 5134, 7874, 9362, 19177, 38354, 66929, 79577, 133858, 159154, 326009, 594487, 652018, 1188974, 10106279, 20212558]

約数ペア:

[(1, 20212558), (2, 10106279), (17, 1188974), (31, 652018), (34, 594487), (62, 326009), (127, 159154), (151, 133858), (254, 79577), (302, 66929), (527, 38354), (1054, 19177), (2159, 9362), (2567, 7874), (3937, 5134), (4318, 4681)]