20077452

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 54054000

約数和(自身を除く): 33976548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 149, 171, 197, 228, 298, 342, 394, 447, 591, 596, 684, 788, 894, 1182, 1341, 1773, 1788, 2364, 2682, 2831, 3546, 3743, 5364, 5662, 7092, 7486, 8493, 11229, 11324, 14972, 16986, 22458, 25479, 29353, 33687, 33972, 44916, 50958, 58706, 67374, 88059, 101916, 117412, 134748, 176118, 264177, 352236, 528354, 557707, 1056708, 1115414, 1673121, 2230828, 3346242, 5019363, 6692484, 10038726, 20077452]

約数ペア:

[(1, 20077452), (2, 10038726), (3, 6692484), (4, 5019363), (6, 3346242), (9, 2230828), (12, 1673121), (18, 1115414), (19, 1056708), (36, 557707), (38, 528354), (57, 352236), (76, 264177), (114, 176118), (149, 134748), (171, 117412), (197, 101916), (228, 88059), (298, 67374), (342, 58706), (394, 50958), (447, 44916), (591, 33972), (596, 33687), (684, 29353), (788, 25479), (894, 22458), (1182, 16986), (1341, 14972), (1773, 11324), (1788, 11229), (2364, 8493), (2682, 7486), (2831, 7092), (3546, 5662), (3743, 5364)]