20069180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 45341856

約数和(自身を除く): 25272676

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 881, 1139, 1340, 1762, 2278, 3524, 4405, 4556, 5695, 8810, 11390, 14977, 17620, 22780, 29954, 59027, 59908, 74885, 118054, 149770, 236108, 295135, 299540, 590270, 1003459, 1180540, 2006918, 4013836, 5017295, 10034590, 20069180]

約数ペア:

[(1, 20069180), (2, 10034590), (4, 5017295), (5, 4013836), (10, 2006918), (17, 1180540), (20, 1003459), (34, 590270), (67, 299540), (68, 295135), (85, 236108), (134, 149770), (170, 118054), (268, 74885), (335, 59908), (340, 59027), (670, 29954), (881, 22780), (1139, 17620), (1340, 14977), (1762, 11390), (2278, 8810), (3524, 5695), (4405, 4556)]