1939772020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{740371}}^1$

素因数の和:740511

約数の個数: 24

約数和(自身を含む): 4104622368

約数和(自身を除く): 2164850348

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 740371, 1480742, 2961484, 3701855, 7403710, 14807420, 96988601, 193977202, 387954404, 484943005, 969886010, 1939772020]

約数ペア:

[(1, 1939772020), (2, 969886010), (4, 484943005), (5, 387954404), (10, 193977202), (20, 96988601), (131, 14807420), (262, 7403710), (524, 3701855), (655, 2961484), (1310, 1480742), (2620, 740371)]