20786037532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5630021}}^1$

素因数の和:5630109

約数の個数: 24

約数和(自身を含む): 39725435232

約数和(自身を除く): 18939397700

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5630021, 11260042, 22520084, 73190273, 146380546, 292761092, 399731491, 799462982, 1598925964, 5196509383, 10393018766, 20786037532]

約数ペア:

[(1, 20786037532), (2, 10393018766), (4, 5196509383), (13, 1598925964), (26, 799462982), (52, 399731491), (71, 292761092), (142, 146380546), (284, 73190273), (923, 22520084), (1846, 11260042), (3692, 5630021)]