2000989910

素因数分解:

$2^1\times 5^1\times {\mathrm{16693}}^1\times {\mathrm{11987}}^1$

素因数の和:28687

約数の個数: 16

約数和(自身を含む): 3602298096

約数和(自身を除く): 1601308186

約数列:

[1, 2, 5, 10, 11987, 16693, 23974, 33386, 59935, 83465, 119870, 166930, 200098991, 400197982, 1000494955, 2000989910]

約数ペア:

[(1, 2000989910), (2, 1000494955), (5, 400197982), (10, 200098991), (11987, 166930), (16693, 119870), (23974, 83465), (33386, 59935)]