20968262

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 37449984

約数和(自身を除く): 16481722

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 571, 602, 854, 1142, 2623, 3997, 5246, 7994, 18361, 24553, 34831, 36722, 49106, 69662, 171871, 243817, 343742, 487634, 1497733, 2995466, 10484131, 20968262]

約数ペア:

[(1, 20968262), (2, 10484131), (7, 2995466), (14, 1497733), (43, 487634), (61, 343742), (86, 243817), (122, 171871), (301, 69662), (427, 49106), (571, 36722), (602, 34831), (854, 24553), (1142, 18361), (2623, 7994), (3997, 5246)]