20213218150

素因数分解:

$2^1\times 5^2\times {\mathrm{647}}^1\times {\mathrm{624829}}^1$

素因数の和:625488

約数の個数: 24

約数和(自身を含む): 37654755120

約数和(自身を除く): 17441536970

約数列:

[1, 2, 5, 10, 25, 50, 647, 1294, 3235, 6470, 16175, 32350, 624829, 1249658, 3124145, 6248290, 15620725, 31241450, 404264363, 808528726, 2021321815, 4042643630, 10106609075, 20213218150]

約数ペア:

[(1, 20213218150), (2, 10106609075), (5, 4042643630), (10, 2021321815), (25, 808528726), (50, 404264363), (647, 31241450), (1294, 15620725), (3235, 6248290), (6470, 3124145), (16175, 1249658), (32350, 624829)]